Quote Originally Posted by Uesugi Kenshin
It is Valves proprietary game distribution and registration program. It was first implemented in Half Life 2. It requires you to install CS: Source, even if like me you hate CS. It makes you register the game online to start playing the single player game. It allows you to have your computer use a good deal of RAM and bandwith to constantly call Valve and ask if there are updates, I do not believe you can even set it for once daily or anything. Even in offline mode it uses 18mgbs of valuable RAM.

Did I miss any advantages? I do not know of many, but I am not hooked up to the mothership....
And with that...Red Harvest scratches Half Life 2 off his list of games to ever consider mounting on his hard drive. Reminds me of Norton Anti-Virus...