Microsoft Is Making An Astonishing $2 Billion Per Year From Android Patent Royalties[0].

[0]: https://www.businessinsider.com/microsoft-earns-2-billion-pe...

That was for FAT file system, which expired long ago.

> This money, says Sherlund, helps Microsoft hide the fact that its mobile and Xbox groups are burning serious cash.

Little did they know how much bigger that pyre would get lmao