I think I've realized the reason, re: Upgrade vs A
Post# of 32646
I also think that when a really large company is upgrading an existing platform with millions of users, they might want to put a press release out on that.
Seems like the fastest way to let customers, and investors know what's new.
Perhaps something like this?
https://news.microsoft.com/2017/03/14/microso...worldwide/
Did you know that 91 companies out of the Fortune 100 are using Microsoft Teams, as of July 2019? I didn't.