

VLC has over 6 billion downloads, obviously there are people who downloaded it multiple times, but that’s getting close to averaging one per person in existence.
6 billion download announcement (eventually leads to X/twitter): https://techcrunch.com/2025/01/09/vlc-tops-6-billion-downloads-previews-ai-generated-subtitles/#%3A~%3Atext=VLC+media+player%2C+the+popular%2Can+AI-powered+subtitle+system.
Not directly comparable, but guesses at the number of Linux servers out there are in the 10s-100s of millions.
More than one company has gotten to the prototype stage. Don’t remember any huge companies, but there’s video out there. You don’t realize how much the form factor sucks until it’s real.