It's the "40th anniversary of the GNU operating system and the launch of the free software movement!"
Fifteen years ago, on the 25th Anniversary of GNU OS, the comedian / actor Stephen Fry recorded the following tribute--which also serves as a great introduction to what free software is and the philosophy behind the free software movement. https://www.youtube.com/watch?v=P_mS4CIXcLY
@fsf #GNU #Linux #freesoftware