Officially, they are flexible on the actual rate, but I believe 30% is pretty standard. http://www.forbes.com/forbes/2011/0228/technology-gabe-newell-videogame

Officially, they are flexible on the actual rate, but I believe 30% is pretty standard. http://www.forbes.com/forbes/2011/0228/technology-gabe-newell-videogames-valve-online-mayhem_2.html http://www.forbes.com/forbes/2011/0228/technology-gabe-newel... Edit: Oh, and PC Gamer has a good bit about the update process. http://www.pcgamer.com/2012/07/12/how-steam-is-about-to-change-its-role/ http://www.pcgamer.com/2012/07/12/how-steam-is-about-to-chan...