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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** MEGA THREAD ON Cryptocurrencies/Blockchain**
I wanted to know the best resources to learn about cryptocurrencies and blockchain for someone with zero knowledge. I asked Twitter, and Twitter answered.
This thread is a compilation of the best resources I was recommended. 👇👇
Let's start with ** BOOKS **
The first thing you should do before you pick up any book:
Learn about Bitcoin & Ethereum by reading the respective whitepapers.
- [Bitcoin white paper](https://t.co/cErOaFn6QL) by Satoshi Nakamoto
- [Ethereum White paper] (https://t.co/0g5kYCGJGq) by Vitalik Buterin
Even if you are not tech savvy, you can get a good grasp about how blockchain functions from these papers.
1) *The Basics of Bitcoins and Blockchains: An Introduction to Cryptocurrencies and the Technology that Powers Them* by Antony Lewis
This book covers topics such as the history of Bitcoin, the Bitcoin blockchain, and Bitcoin buying, selling, and mining.
It also answers how payments are made and how transactions are kept secure.
Other cryptocurrencies and cryptocurrency pricing are examined, answering how one puts a value on cryptocurrencies and digital tokens.
I wanted to know the best resources to learn about cryptocurrencies and blockchain for someone with zero knowledge. I asked Twitter, and Twitter answered.
This thread is a compilation of the best resources I was recommended. 👇👇
Let's start with ** BOOKS **
The first thing you should do before you pick up any book:
Learn about Bitcoin & Ethereum by reading the respective whitepapers.
- [Bitcoin white paper](https://t.co/cErOaFn6QL) by Satoshi Nakamoto
- [Ethereum White paper] (https://t.co/0g5kYCGJGq) by Vitalik Buterin
Even if you are not tech savvy, you can get a good grasp about how blockchain functions from these papers.
1) *The Basics of Bitcoins and Blockchains: An Introduction to Cryptocurrencies and the Technology that Powers Them* by Antony Lewis
This book covers topics such as the history of Bitcoin, the Bitcoin blockchain, and Bitcoin buying, selling, and mining.
It also answers how payments are made and how transactions are kept secure.
Other cryptocurrencies and cryptocurrency pricing are examined, answering how one puts a value on cryptocurrencies and digital tokens.
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Viruses and other pathogens are often studied as stand-alone entities, despite that, in nature, they mostly live in multispecies associations called biofilms—both externally and within the host.
https://t.co/FBfXhUrH5d
Microorganisms in biofilms are enclosed by an extracellular matrix that confers protection and improves survival. Previous studies have shown that viruses can secondarily colonize preexisting biofilms, and viral biofilms have also been described.
...we raise the perspective that CoVs can persistently infect bats due to their association with biofilm structures. This phenomenon potentially provides an optimal environment for nonpathogenic & well-adapted viruses to interact with the host, as well as for viral recombination.
Biofilms can also enhance virion viability in extracellular environments, such as on fomites and in aquatic sediments, allowing viral persistence and dissemination.
Viruses and other pathogens are often studied as stand-alone entities, despite that, in nature, they mostly live in multispecies associations called biofilms—both externally and within the host.
https://t.co/FBfXhUrH5d
Microorganisms in biofilms are enclosed by an extracellular matrix that confers protection and improves survival. Previous studies have shown that viruses can secondarily colonize preexisting biofilms, and viral biofilms have also been described.
...we raise the perspective that CoVs can persistently infect bats due to their association with biofilm structures. This phenomenon potentially provides an optimal environment for nonpathogenic & well-adapted viruses to interact with the host, as well as for viral recombination.
Biofilms can also enhance virion viability in extracellular environments, such as on fomites and in aquatic sediments, allowing viral persistence and dissemination.