I mean, as far as I can tell letters to investors are optional unless you're doing something to their stock. They published it to their company news site[1], an

I mean, as far as I can tell letters to investors are optional unless you're doing something to their stock. They published it to their company news site[1], and told the world about it. Could we meet in the middle and say it was a press release they filed with the SEC? :) [1] - https://www.aboutamazon.com/news/company-news/2020-letter-to-shareholders https://www.aboutamazon.com/news/company-news/2020-letter-to...