Reminds me - why was Twitter never considered a FAANG? FATNAG, etc.
Microsoft, Apple, Amazon, Google
Everything else ... not so sure ...
There are only so many letters you can use to make a word and some companies had to be dropped.
The original meaning was a term to describe the big tech companies.
bigger question is why was microsoft not part of it? mainly because it didnt form a catchy word.
This gives their business different performance characteristics from Facebook (mass market social-media and ads), Amazon (mass market sales and logistics), Apple (which is at least slightly luxury, but contracts out its manufacturing, and does mass market hardware — look at that iPhone sell), Netflix (mass market entertainment), and Google (mass market search, mail, advertising).