THREAD AWS $AMZN
AMZN has 15Xed in 6 years (~$60bn->~$1tr). Along the way there have been many investor concerns, which have in hindsight been "can't see the forest for the trees" nitpicks: 1) AWS not profitable; 2) AWS price cuts; 3) Depr acctg; 4) Too much start up exposure.
Looking back on it, it is funny to think about a few of the past AWS bear cases/worries:
AMZN first disclosed AWS financials on the 1Q15 print. Before AMZN disclosed AWS revs/EBIT, the consensus was the MORE unprofitable AWS was, the better it was for AMZN’s stock because it meant the retail business was even more profitable than people thought.
After AMZN disclosed the AWS metrics, valuation hawks jumped all over the AWS disclosures. 50% adj. EBITDA margin were masked by 1) capital leases and 2) depreciation shenanigans.
I remember the 2015/16 tech downturn vividly. I was on the sell side covering smidcap internet. Almost half of my smidcap Internet names down 40+% earnings in November 2015.
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A brief analysis and comparison of the CSS for Twitter's PWA vs Twitter's legacy desktop website. The difference is dramatic and I'll touch on some reasons why.
Legacy site *downloads* ~630 KB CSS per theme and writing direction.
6,769 rules
9,252 selectors
16.7k declarations
3,370 unique declarations
44 media queries
36 unique colors
50 unique background colors
46 unique font sizes
39 unique z-indices
https://t.co/qyl4Bt1i5x
PWA *incrementally generates* ~30 KB CSS that handles all themes and writing directions.
735 rules
740 selectors
757 declarations
730 unique declarations
0 media queries
11 unique colors
32 unique background colors
15 unique font sizes
7 unique z-indices
https://t.co/w7oNG5KUkJ
The legacy site's CSS is what happens when hundreds of people directly write CSS over many years. Specificity wars, redundancy, a house of cards that can't be fixed. The result is extremely inefficient and error-prone styling that punishes users and developers.
The PWA's CSS is generated on-demand by a JS framework that manages styles and outputs "atomic CSS". The framework can enforce strict constraints and perform optimisations, which is why the CSS is so much smaller and safer. Style conflicts and unbounded CSS growth are avoided.
Legacy site *downloads* ~630 KB CSS per theme and writing direction.
6,769 rules
9,252 selectors
16.7k declarations
3,370 unique declarations
44 media queries
36 unique colors
50 unique background colors
46 unique font sizes
39 unique z-indices
https://t.co/qyl4Bt1i5x
PWA *incrementally generates* ~30 KB CSS that handles all themes and writing directions.
735 rules
740 selectors
757 declarations
730 unique declarations
0 media queries
11 unique colors
32 unique background colors
15 unique font sizes
7 unique z-indices
https://t.co/w7oNG5KUkJ
The legacy site's CSS is what happens when hundreds of people directly write CSS over many years. Specificity wars, redundancy, a house of cards that can't be fixed. The result is extremely inefficient and error-prone styling that punishes users and developers.
The PWA's CSS is generated on-demand by a JS framework that manages styles and outputs "atomic CSS". The framework can enforce strict constraints and perform optimisations, which is why the CSS is so much smaller and safer. Style conflicts and unbounded CSS growth are avoided.
My top 10 tweets of the year
A thread 👇
https://t.co/xj4js6shhy
https://t.co/b81zoW6u1d
https://t.co/1147it02zs
https://t.co/A7XCU5fC2m
A thread 👇
https://t.co/xj4js6shhy
Entrepreneur\u2019s mind.
— James Clear (@JamesClear) August 22, 2020
Athlete\u2019s body.
Artist\u2019s soul.
https://t.co/b81zoW6u1d
When you choose who to follow on Twitter, you are choosing your future thoughts.
— James Clear (@JamesClear) October 3, 2020
https://t.co/1147it02zs
Working on a problem reduces the fear of it.
— James Clear (@JamesClear) August 30, 2020
It\u2019s hard to fear a problem when you are making progress on it\u2014even if progress is imperfect and slow.
Action relieves anxiety.
https://t.co/A7XCU5fC2m
We often avoid taking action because we think "I need to learn more," but the best way to learn is often by taking action.
— James Clear (@JamesClear) September 23, 2020