關於 comparing to compared to ，我們在網路上蒐集到這些相關的討論、資訊與評價

In my coaching practice I rarely meet a client whose parents didn’t compare themselves with other kids.

Being compared, either favorably or negatively, takes away our inherent self-worth and fuses it with something outside of us. Creating the damaging narrative: “I’m only worthy when...”

But that’s not all.

We internalize comparison. Even when our parents are no longer around to do it for us, we can’t stop comparing ourselves to others. And we beat ourselves black and blue when we don’t seem to measure up.

Underneath our conscious mind, we tell ourselves a story:
“Someone better will take all the love away.”

This leads us to the damaging habit of comparing ourselves with others.

If you're struggling with this too, my latest article will help.

💛 Read on here in my blog: https://milenanguyen.com/blog/2020/2/27/3-ways-to-stop-comparing-yourself-to-others-and-recover-your-peace-of-mind

📜 [專欄新文章] Uniswap v3 Features Explained in Depth

✍️ 田少谷 Shao

📥 歡迎投稿： https://medium.com/taipei-ethereum-meetup #徵技術分享文 #使用心得 #教學文 #medium

Once again the game-changing DEX 🦄 👑

Image source: https://uniswap.org/blog/uniswap-v3/

Outline

0. Intro1. Uniswap & AMM recap2. Ticks 3. Concentrated liquidity4. Range orders: reversible limit orders5. Impacts of v36. Conclusion

0. Intro

The announcement of Uniswap v3 is no doubt one of the most exciting news in the DeFi place recently 🔥🔥🔥

While most have talked about the impact v3 can potentially bring on the market, seldom explain the delicate implementation techniques to realize all those amazing features, such as concentrated liquidity, limit-order-like range orders, etc.

Since I’ve covered Uniswap v1 & v2 (if you happen to know Mandarin, here are v1 & v2), there’s no reason for me to not cover v3 as well ✅

Thus, this article aims to guide readers through Uniswap v3, based on their official whitepaper and examples made on the announcement page. However, one needs not to be an engineer, as not many codes are involved, nor a math major, as the math involved is definitely taught in your high school, to fully understand the following content 😊😊😊

If you really make it through but still don’t get shxt, feedbacks are welcomed! 🙏

There should be another article focusing on the codebase, so stay tuned and let’s get started with some background noise!

1. Uniswap & AMM recap

Before diving in, we have to first recap the uniqueness of Uniswap and compare it to traditional order book exchanges.

Uniswap v1 & v2 are a kind of AMMs (automated market marker) that follow the constant product equation x * y = k, with x & y stand for the amount of two tokens X and Y in a pool and k as a constant.

Comparing to order book exchanges, AMMs, such as the previous versions of Uniswap, offer quite a distinct user experience:

AMMs have pricing functions that offer the price for the two tokens, which make their users always price takers, while users of order book exchanges can be both makers or takers.

Uniswap as well as most AMMs have infinite liquidity¹, while order book exchanges don’t. The liquidity of Uniswap v1 & v2 is provided throughout the price range [0,∞]².

Uniswap as well as most AMMs have price slippage³ and it’s due to the pricing function, while there isn’t always price slippage on order book exchanges as long as an order is fulfilled within one tick.

In an order book, each price (whether in green or red) is a tick. Image source: https://ftx.com/trade/BTC-PERP

¹ though the price gets worse over time; AMM of constant sum such as mStable does not have infinite liquidity

² the range is in fact [-∞,∞], while a price in most cases won’t be negative

³ AMM of constant sum does not have price slippage

2. Tick

The whole innovation of Uniswap v3 starts from ticks.

For those unfamiliar with what is a tick:

Source: https://www.investopedia.com/terms/t/tick.asp

By slicing the price range [0,∞] into numerous granular ticks, trading on v3 is highly similar to trading on order book exchanges, with only three differences:

The price range of each tick is predefined by the system instead of being proposed by users.

Trades that happen within a tick still follows the pricing function of the AMM, while the equation has to be updated once the price crosses the tick.

Orders can be executed with any price within the price range, instead of being fulfilled at the same one price on order book exchanges.

With the tick design, Uniswap v3 possesses most of the merits of both AMM and an order book exchange! 💯💯💯

So, how is the price range of a tick decided?

This question is actually somewhat related to the tick explanation above: the minimum tick size for stocks trading above 1$ is one cent.

The underlying meaning of a tick size traditionally being one cent is that one cent (1% of 1$) is the basis point of price changes between ticks, ex: 1.02 — 1.01 = 0.1.

Uniswap v3 employs a similar idea: compared to the previous/next price, the price change should always be 0.01% = 1 basis point.

However, notice the difference is that in the traditional basis point, the price change is defined with subtraction, while here in Uniswap it’s division.

This is how price ranges of ticks are decided⁴:

Image source: https://uniswap.org/whitepaper-v3.pdf

With the above equation, the tick/price range can be recorded in the index form [i, i+1], instead of some crazy numbers such as 1.0001¹⁰⁰ = 1.0100496621.

As each price is the multiplication of 1.0001 of the previous price, the price change is always 1.0001 — 1 = 0.0001 = 0.01%.

For example, when i=1, p(1) = 1.0001; when i=2, p(2) = 1.00020001.

p(2) / p(1) = 1.00020001 / 1.0001 = 1.0001

See the connection between the traditional basis point 1 cent (=1% of 1$) and Uniswap v3’s basis point 0.01%?

Image source: https://tenor.com/view/coin-master-cool-gif-19748052

But sir, are prices really granular enough? There are many shitcoins with prices less than 0.000001$. Will such prices be covered as well?

Price range: max & min

To know if an extremely small price is covered or not, we have to figure out the max & min price range of v3 by looking into the spec: there is a int24 tick state variable in UniswapV3Pool.sol.

Image source: https://uniswap.org/whitepaper-v3.pdf

The reason for a signed integer int instead of an uint is that negative power represents prices less than 1 but greater than 0.

24 bits can cover the range between 1.0001 ^ (2²³ — 1) and 1.0001 ^ -(2)²³. Even Google cannot calculate such numbers, so allow me to offer smaller values to have a rough idea of the whole price range:

1.0001 ^ (2¹⁸) = 242,214,459,604.341

1.0001 ^ -(2¹⁷) = 0.000002031888943

I think it’s safe to say that with a int24 the range can cover > 99.99% of the prices of all assets in the universe 👌

⁴ For implementation concern, however, a square root is added to both sides of the equation.

How about finding out which tick does a price belong to?

Tick index from price

The answer to this question is rather easy, as we know that p(i) = 1.0001^i, simply takes a log with base 1.0001 on both sides of the equation⁴:

Image source: https://www.codecogs.com/latex/eqneditor.php

Let’s try this out, say we wanna find out the tick index of 1000000.

Image source: https://ncalculators.com/number-conversion/log-logarithm-calculator.htm

Now, 1.0001¹³⁸¹⁶² = 999,998.678087146. Voila!

⁵ This formula is also slightly modified to fit the real implementation usage.

3. Concentrated liquidity

Now that we know how ticks and price ranges are decided, let’s talk about how orders are executed in a tick, what is concentrated liquidity and how it enables v3 to compete with stablecoin-specialized DEXs (decentralized exchange), such as Curve, by improving the capital efficiency.

Concentrated liquidity means LPs (liquidity providers) can provide liquidity to any price range/tick at their wish, which causes the liquidity to be imbalanced in ticks.

As each tick has a different liquidity depth, the corresponding pricing function x * y = k also won’t be the same!

Each tick has its own liquidity depth. Image source: https://uniswap.org/blog/uniswap-v3/

Mmm… examples are always helpful for abstract descriptions 😂

Say the original pricing function is 100(x) * 1000(y) = 100000(k), with the price of X token 1000 / 100 = 10 and we’re now in the price range [9.08, 11.08].

If the liquidity of the price range [11.08, 13.08] is the same as [9.08, 11.08], we don’t have to modify the pricing function if the price goes from 10 to 11.08, which is the boundary between two ticks.

The price of X is 1052.63 / 95 = 11.08 when the equation is 1052.63 * 95 = 100000.

However, if the liquidity of the price range [11.08, 13.08] is two times that of the current range [9.08, 11.08], balances of x and y should be doubled, which makes the equation become 2105.26 * 220 = 400000, which is (1052.63 * 2) * (110 * 2) = (100000 * 2 * 2).

We can observe the following two points from the above example:

Trades always follow the pricing function x * y = k, while once the price crosses the current price range/tick, the liquidity/equation has to be updated.

√(x * y) = √k = L is how we represent the liquidity, as I say the liquidity of x * y = 400000 is two times the liquidity of x * y = 100000, as √(400000 / 100000) = 2.

What’s more, compared to liquidity on v1 & v2 is always spread across [0,∞], liquidity on v3 can be concentrated within certain price ranges and thus results in higher capital efficiency from traders’ swapping fees!

Let’s say if I provide liquidity in the range [1200, 2800], the capital efficiency will then be 4.24x higher than v2 with the range [0,∞] 😮😮😮 There’s a capital efficiency comparison calculator, make sure to try it out!

Image source: https://uniswap.org/blog/uniswap-v3/

It’s worth noticing that the concept of concentrated liquidity was proposed and already implemented by Kyper, prior to Uniswap, which is called Automated Price Reserve in their case.⁵

⁶ Thanks to Yenwen Feng for the information.

4. Range orders: reversible limit orders

As explained in the above section, LPs of v3 can provide liquidity to any price range/tick at their wish. Depending on the current price and the targeted price range, there are three scenarios:

current price < the targeted price range

current price > the targeted price range

current price belongs to the targeted price range

The first two scenarios are called range orders. They have unique characteristics and are essentially fee-earning reversible limit orders, which will be explained later.

The last case is the exact same liquidity providing mechanism as the previous versions: LPs provide liquidity in both tokens of the same value (= amount * price).

There’s also an identical product to the case: grid trading, a very powerful investment tool for a time of consolidation. Dunno what’s grid trading? Check out Binance’s explanation on this, as this topic won’t be covered!

In fact, LPs of Uniswap v1 & v2 are grid trading with a range of [0,∞] and the entry price as the baseline.

Range orders

To understand range orders, we’d have to first revisit how price is discovered on Uniswap with the equation x * y = k, for x & y stand for the amount of two tokens X and Y and k as a constant.

The price of X compared to Y is y / x, which means how many Y one can get for 1 unit of X, and vice versa the price of Y compared to X is x / y.

For the price of X to go up, y has to increase and x decrease.

With this pricing mechanism in mind, it’s example time!

Say an LP plans to place liquidity in the price range [15.625, 17.313], higher than the current price of X 10, when 100(x) * 1000(y) = 100000(k).

The price of X is 1250 / 80 = 15.625 when the equation is 80 * 1250 = 100000.

The price of X is 1315.789 / 76 = 17.313 when the equation is 76 * 1315.789 = 100000.

If now the price of X reaches 15.625, the only way for the price of X to go even higher is to further increase y and decrease x, which means exchanging a certain amount of X for Y.

Thus, to provide liquidity in the range [15.625, 17.313], an LP needs only to prepare 80 — 76 = 4 of X. If the price exceeds 17.313, all 4 X of the LP is swapped into 1315.789 — 1250 = 65.798 Y, and then the LP has nothing more to do with the pool, as his/her liquidity is drained.

What if the price stays in the range? It’s exactly what LPs would love to see, as they can earn swapping fees for all transactions in the range! Also, the balance of X will swing between [76, 80] and the balance of Y between [1250, 1315.789].

This might not be obvious, but the example above shows an interesting insight: if the liquidity of one token is provided, only when the token becomes more valuable will it be exchanged for the less valuable one.

…wut? 🤔

Remember that if 4 X is provided within [15.625, 17.313], only when the price of X goes up from 15.625 to 17.313 is 4 X gradually swapped into Y, the less valuable one!

What if the price of X drops back immediately after reaching 17.313? As X becomes less valuable, others are going to exchange Y for X.

The below image illustrates the scenario of DAI/USDC pair with a price range of [1.001, 1.002] well: the pool is always composed entirely of one token on both sides of the tick, while in the middle 1.001499⁶ is of both tokens.

Image source: https://uniswap.org/blog/uniswap-v3/

Similarly, to provide liquidity in a price range < current price, an LP has to prepare a certain amount of Y for others to exchange Y for X within the range.

To wrap up such an interesting feature, we know that:

Only one token is required for range orders.

Only when the current price is within the range of the range order can LP earn trading fees. This is the main reason why most people believe LPs of v3 have to monitor the price more actively to maximize their income, which also means that LPs of v3 have become arbitrageurs 🤯

I will be discussing more the impacts of v3 in 5. Impacts of v3.

⁷ 1.001499988 = √(1.0001 * 1.0002) is the geometric mean of 1.0001 and 1.0002. The implication is that the geometric mean of two prices is the average execution price within the range of the two prices.

Reversible limit orders

As the example in the last section demonstrates, if there is 4 X in range [15.625, 17.313], the 4 X will be completely converted into 65.798 Y when the price goes over 17.313.

We all know that a price can stay in a wide range such as [10, 11] for quite some time, while it’s unlikely so in a narrow range such as [15.625, 15.626].

Thus, if an LP provides liquidity in [15.625, 15.626], we can expect that once the price of X goes over 15.625 and immediately also 15.626, and does not drop back, all X are then forever converted into Y.

The concept of having a targeted price and the order will be executed after the price is crossed is exactly the concept of limit orders! The only difference is that if the range of a range order is not narrow enough, it’s highly possible that the conversion of tokens will be reverted once the price falls back to the range.

As price ranges follow the equation p(i) = 1.0001 ^ i, the range can be quite narrow and a range order can thus effectively serve as a limit order:

When i = 27490, 1.0001²⁷⁴⁹⁰ = 15.6248.⁸

When i = 27491, 1.0001²⁷⁴⁹¹ = 15.6264.⁸

A range of 0.0016 is not THAT narrow but can certainly satisfy most limit order use cases!

⁸ As mentioned previously in note #4, there is a square root in the equation of the price and index, thus the numbers here are for explantion only.

5. Impacts of v3

Higher capital efficiency, LPs become arbitrageurs… as v3 has made tons of radical changes, I’d like to summarize my personal takes of the impacts of v3:

Higher capital efficiency makes one of the most frequently considered indices in DeFi: TVL, total value locked, becomes less meaningful, as 1$ on Uniswap v3 might have the same effect as 100$ or even 2000$ on v2.

The ease of spot exchanging between spot exchanges used to be a huge advantage of spot markets over derivative markets. As LPs will take up the role of arbitrageurs and arbitraging is more likely to happen on v3 itself other than between DEXs, this gap is narrowed … to what extent? No idea though.

LP strategies and the aggregation of NFT of Uniswap v3 liquidity token are becoming the blue ocean for new DeFi startups: see Visor and Lixir. In fact, this might be the turning point for both DeFi and NFT: the two main reasons of blockchain going mainstream now come to the alignment of interest: solving the $$ problem 😏😏😏

In the right venue, which means a place where transaction fees are low enough, such as Optimism, we might see Algo trading firms coming in to share the market of designing LP strategies on Uniswap v3, as I believe Algo trading is way stronger than on-chain strategies or DAO voting to add liquidity that sort of thing.

After reading this article by Parsec.finance: The Dex to Rule Them All, I cannot help but wonder: maybe there is going to be centralized crypto exchanges adopting v3’s approach. The reason is that since orders of LPs in the same tick are executed pro-rata, the endless front-running speeding-competition issue in the Algo trading world, to some degree, is… solved? 🤔

Anyway, personal opinions can be biased and seriously wrong 🙈 I’m merely throwing out a sprat to catch a whale. Having a different voice? Leave your comment down below!

6. Conclusion

That was kinda tough, isn’t it? Glad you make it through here 🥂🥂🥂

There are actually many more details and also a huge section of Oracle yet to be covered. However, since this article is more about features and targeting normal DeFi users, I’ll leave those to the next one; hope there is one 😅

If you have any doubt or find any mistake, please feel free to reach out to me and I’d try to reply AFAP!

Stay tuned and in the meantime let’s wait and see how Uniswap v3 is again pioneering the innovation of DeFi 🌟

Uniswap v3 Features Explained in Depth was originally published in Taipei Ethereum Meetup on Medium, where people are continuing the conversation by highlighting and responding to this story.

👏 歡迎轉載分享鼓掌

โหดฉิหัย เพิ่งเคยเห็นวารสารการแพทย์ระดับโลกจวกแรงขนาดนี้

บรรณาธิการวารสารระดับโลก ที่ถือว่าเป็นอันดับ 1 ของโลกคือ New England Journal of Medicine ได้กล่าวไว้ ในวันที่ 8 ตุลาคม นี้
พูดถึง covid 19 ในอเมริกา ที่มีการติดเชื้อมากที่สุดในโลก และจำนวนผู้เสียชีวิตมากกว่า 2 แสนคน

โดยกล่าวเปรียบเทียบ นโยบายการสู้รบกับโรคร้าย ที่ระบาดทั่วโลก
การควบคุมการระบาดในอเมริกา เปรียบเทียบกับจีน ที่เป็นประเทศขนาดใหญ่ ต่างกันอย่างมากมายทั้งจำนวนผู้ป่วยและอัตราการตาย
อัตราการเสียชีวิตมากกว่าเป็น 2 เท่าของแคนาดาและญี่ปุ่น
ญี่ปุ่นมีผู้สูงอายุจำนวนมาก หรือแม้กระทั่งเปรียบเทียบกับประเทศเล็กๆเช่นเวียดนาม จีนมีผู้เสียชีวิต 3 ใน ล้านคนเปรียบเทียบกับอเมริกามีผู้เสียชีวิต 500 ในล้านคน และเปรียบเทียบไม่ได้เลยกับเกาหลีและสิงคโปร์
แม้กระทั่งดูจำนวนการตรวจวินิจฉัยต่อจำนวนผู้ป่วย ก็ยังสู้คาซัคสถาน ซิมบับเวและเอธิโอเปีย

อเมริกามีข้อได้เปรียบมากมาย มีเวลาเตรียมตัวมากกว่า มีความพร้อมทางด้านวิชาการ นักวิทยาศาสตร์นักวิชาการจำนวนมากมายที่อยู่ในแนวหน้าของระดับโลก มีประชาธิปไตย ที่เสรี แทนที่จะมุ่งเน้นในเรื่องของการป้องกัน การกักกัน การใส่หน้ากากอนามัย มาตรการการป้องกันการระบาด กับไปมุ่งเน้นในเรื่องของวัคซีน และใช้การเมืองเข้ามายุ่งเกี่ยวกับการดูแลป้องกันการระบาดของโรค

บทความนี้ยังทิ้งท้าย ว่านักการเมือง ที่ดูแลดังกล่าว ไม่ควรที่จะมีงานทำในอาชีพนี้ต่อไป

2 แผ่น!! บทความนี้ จะเป็นตำนาน ทางการแพทย์ ของโลก 🤭เรื่องโควิด
วารสารชั้นนำทางการแพทย์ของโลก
New England Journal of Medicine ตีพิมพ์..งานวิจัยที่แพทย์ทั่วโลกกำลังกล่าวถึง จัดหนักกรณี อเมริกา ล้มเหลวเรื่องจัดการโควิด
เพราะการเมือง และตัวผู้นำ โหหห
หมอเค้าคงเหลือจริงๆๆๆ สงสารพลเมือง
🤭🤭🤭 OMG

โควิด 19 การเมืองกับการสู้รบ กับ โรคร้าย

บรรณาธิการวารสารระดับโลก ที่ถือว่าเป็นอันดับ 1 ของโลกคือ New England Journal of Medicine ได้กล่าวไว้ ในวันที่ 8 ตุลาคม นี้

พูดถึง covid 19 ในอเมริกา ที่มีการติดเชื้อมากที่สุดในโลก และจำนวนผู้เสียชีวิตมากกว่า 2 แสนคน

โดยกล่าวเปรียบเทียบ นโยบายการสู้รบกับโรคร้าย ที่ระบาดทั่วโลก
การควบคุมการระบาดในอเมริกา เปรียบเทียบกับจีน ที่เป็นประเทศขนาดใหญ่ ต่างกันอย่างมากมาย
ทั้งจำนวนผู้ป่วยและอัตราการตาย
อัตราการเสียชีวิตมากกว่าเป็น 2 เท่าของแคนาดาและญี่ปุ่น
ญี่ปุ่นมีผู้สูงอายุจำนวนมาก หรือแม้กระทั่งเปรียบเทียบกับประเทศเล็กๆเช่นเวียดนาม
จีนมีผู้เสียชีวิต 3 ใน ล้านคนเปรียบเทียบกับอเมริกามีผู้เสียชีวิต 500 ในล้านคน และเปรียบเทียบไม่ได้เลยกับเกาหลีและสิงคโปร์

แม้กระทั่งดูจำนวนการตรวจวินิจฉัยต่อจำนวนผู้ป่วย ก็ยังสู้คาซัคสถาน ซิมบับเวและเอธิโอเปีย

อเมริกามีข้อได้เปรียบมากมาย มีเวลาเตรียมตัวมากกว่า มีความพร้อมทางด้านวิชาการ นักวิทยาศาสตร์นักวิชาการจำนวนมากมายที่อยู่ในแนวหน้าของระดับโลก
มีประชาธิปไตย ที่เสรี
แทนที่จะมุ่งเน้นในเรื่องของการป้องกัน การกักกัน การใส่หน้ากากอนามัย มาตรการการป้องกันการระบาด กับไปมุ่งเน้นในเรื่องของวัคซีน
และใช้การเมืองเข้ามายุ่งเกี่ยวกับการดูแลป้องกันการระบาดของโรค

บทความนี้ยังทิ้งท้าย ว่านักการเมือง ที่ดูแลดังกล่าว ไม่ควรที่จะมีงานทำในอาชีพนี้ต่อไป

คณะบรรณาธิการได้ตีพิมพ์ตำหนิการบริหารของประธานาธิบดี Trump เกี่ยวกับความล้มเหลวที่เลวร้ายที่สุด

ในการตอบสนองต่อการแพร่ระบาดของไวรัสโคโรนา

โดยเขียนว่า "การเลือกตั้งครั้งนี้จะทำให้เรามีอำนาจในการตัดสินผู้นำสหรัฐฯคนปัจจุบัน"

บทบรรณาธิการกล่าวว่าผู้นำสหรัฐฯ "ได้เปลี่ยนวิกฤติเป็นโศกนาฏกรรม" โดยไม่ได้เอ่ยชื่อประธานาธิบดีโดยตรง

"COVID-19 ได้สร้างวิกฤตไปทั่วโลก วิกฤตนี้ได้ทดสอบความเป็นผู้นำ
การไม่มีทางเลือกที่ดีในการต่อสู้กับเชื้อโรคใหม่นี้ ประเทศต่างๆจึงต้องตัดสินใจอย่างหนักว่าจะตอบสนองอย่างไร ในสหรัฐอเมริกา ผู้นำล้มเหลวในการทดสอบนั้น

"เมื่อพูดถึงการตอบสนองต่อวิกฤตสาธารณสุขที่ใหญ่ที่สุดในยุคของเรา ผู้นำทางการเมืองในปัจจุบันของเราได้แสดงให้เห็นว่าพวกเขาไร้ความสามารถอย่างอันตราย เราไม่ควรสนับสนุนพวกเขาและทำให้ชาวอเมริกันหลายพันคนเสียชีวิตโดยปล่อยให้พวกเขาทำงานต่อไป "
2 sheets!! This article will be the medical legend of the COVID world.
Medical Leading Journal of the World
New England Journal of Medicine published.. The research that doctors around the world are talking about. It's heavy in cases of America failing to manage COVID.
Because of politics and leaders. Oh.
The doctor is really left. I feel pity for the citizen.
🤭🤭🤭 OMG

COVID 19 politics and the battle against evil disease

The world's top 1 journal editor is the New England Journal of Medicine said this October 8

Speaking of covid 19 in America, the most infected in the world and the death toll is over 2 hundred thousand people.

Comparing the policy of fighting against the global epidemic.
Outbreak control in America, compared with China as a large country. Many different.
Both the number of patients and the mortality rate.
The death rate is 2 times more than Canada and Japan.
Japan has many elderly people or even compare to small countries like Vietnam.
China has 3 in a million death toll. Comparing to America, there are 500 in a million deaths, and there is no comparison to Korea and Singapore.

Even looking at the number of diagnostic tests, patients still going to Kazakhstan, si and Ethiopia.

America has a lot of advantages. It's more time to prepare than to have academic readiness, scientists, academics, who are in the forefront of the world class.
There is a free democracy.
Instead of concentrating on prevention of hygienic mask prevention, prevention measures, go focus on vaccines.
And implementing politics to mess with prevention of disease outbreak.

This article also backing out that a politician who takes care of such should not have a job in this career.

The editorial has published blaming President Trump's administration on its worst failure.

In response to coronavirus epidemic

′′ This election will give us power to decide current US leaders

The editorial says US leaders ′′ have turned crisis into tragedy ′′ without direct name of the president.

′′ COVID-19 has created a global crisis. This crisis has tested its leadership.
Having no good choice to fight this new germs, countries have to make a hard decision on how to respond. In the USA, leaders fail that test.

′′ When it comes to responding to the biggest public health crisis in our generation, our current political leaders have shown that they are dangerously incompetent. We shouldn't support them and cause thousands of Americans to die by letting them work forwardTranslated

This video we are comparing the new foldable gimbals which Snoppa Atom was the first to make this design, however right now both Feiyu and DJI are selling mobile gimbals with the same design. Because Snoppa has gradually faded out of the market, I was only able to get my hands on the Feiyu Vlogpocket and the DJI Osmo Mobile 3. Unfortunately this new foldable gimbal design has a lot of limitations and I personally would not recommend these new designs compared to older gimbals. However if you want to get one of these new designs in this video I am finding out which of the two is build better.

Feiyu VlogPocket - https://amzn.to/2N5atLG
DJI Osmo Mobile 3 - https://amzn.to/2N8m3W9

This video is filmed with:
Panasonic Gh5 - https://amzn.to/2N5FnUc
Laowa 7.5mm f2 - https://amzn.to/2Q37K7Q
Manfrotto compact action - https://amzn.to/2Q38jyu
Peakdesign Everyday sling 5L - https://amzn.to/2Q55YTJ
Saramonic Blink500 - http://www.saramonic.com/product/blink500-b2txtxrx/

Edited with Adobe Premiere Pro - http://goo.gl/k2EagF

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Chung Dha © 2019 Tsuen Wan, Hong Kong

In this video, I am comparing and swatching the Anastasia Beverly Hills Riviera Palette with all my Juvia's Place palettes.
Palettes included Magic, Festival, Douce, Zulu, Tribe, Nubian 2, Saharan, Masquerade Mini.


Review, Swatches including eye swatches of ABH Riviera Palette
https://youtu.be/gTQXNEglKHw

Thank you so much for watching this video.

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Makeup Worn:
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L.A. Girl Pro Prep Primer
Too Faced Born This Way Foundation "Caramel"
Maybeline Fit Me Concealer "Café"
L'Oreal True Match Concealer "G8"
L.A. Girl Pro Face "Soft Honey"
ABH Riviera Palette
Nykaa Rock the Line Kajal
Essence Volumizing Mascara
Too Faced Dark Chocolate Soleil Bronzer
NARSissist Wanted Cheek Palette 2
ABH Glow Kit "That Glow"
Too Faced Candlelight Glow "Warm Glow"
Colourpop Mattex Lippie Stix "Daydream"
Colourpop Lippie Stix "Brink"
Smashbox Photofinish Primer Water


Disclaimer : All opinions expressed are solely mine. I can give you a guideline about the products but It's best to try it out yourself and form your own opinion. All the visual contents of this video are solely mine, please request for permission if you want to use them. This is not a sponsored video.


XOXO
Antariksha

うちのお店のお客さんのバイク
http://www.sakai-tcb.or.jp/feature/f08.html
カワサキ・W(ダブリュー、ダブル)とは、川崎重工業(カワサキ)が製造販売しているオートバイの車種である。カワサキの由緒あるシリーズ車種であり、一時期の製造中断を挟み、現在はW650とW400が製造販売されている。
650-W1・W2・650RS-W3


Kawasaki and W(Dabru and double) are models of the motorcycle to which Kawasaki Heavy Industries (Kawasaki) is doing the manufacturing sales. It is a series ..Kawasaki.. model with the history, and the manufacturing interruption for a certain period of time is placed, and sales of manufacturing ..W650 and W400.. are being done now.
650-W1･W2･650RS-W3

Megro was announced, and the model that expanded to 650cc in shape that Kawasaki succeeds K2(500cc) that it was a succession model of K1 and was a present model at that time was developed when the absorption amalgamation was done through business tie-up with Kawasaki, and 650- W1 was announced in 1966 though the prototype was a vehicle named K1 (alias stamina) that the Meguro factory (Megro) was producing. It was a motorcycle of the maximum displacement at that time, and it became a popular model by the power that the exhaust sound of the muffler of the engine and the cab ton type brought. Moreover, models named W2SS of the twin cab specification and W2TT of the street scrambler type are produced only for the North America export. By the way, the silencer of the muffler has not adhered to W2SS though it is not thought now. This was a standard issue because it did not kill the characteristic of the engine. Moreover, the design in the Megro age is followed at first and it has been changed since (W1SA) of special of 650W1 announced in 1971 to a present left leg shift and the right leg brake though it was a right leg shift (depressing type) and a left leg brake. The front wheel was equipped with a double disk brake in 650RS-W3 announced in 1973, and and, it had this 650RS-W3 and an initial W series became a production end.

As for this series, it is often called, "W1 (Dabwan)" and "W3 (Dabsan Dabsre)" by the type turn at that time, and there are still a lot of those who love by popular high, and following Z series as a legend motorcycle of Kawasaki in Japan by the crankcase of peculiar shape to succeed the blood of Megro under Barticalengen and the engine the body and two series cylinders of a common Britain style design to the series. On the other hand, the reputation on "Brother car of BSA" etc. and the design side was not more fragrant than the sale this time, the vibration generated when especially high-speed running was more terrific, and whats in the North America region where Kawasaki was made the main market the complaint of various part dropouts did not discontinue and comparing unfavorably did in sales results compared with the following H2 (Mach III500) and Z1.