so everyone thinks that joining in games over xbox live was Activision's idea? well ill let everyone know that no it's not their idea..its bungies.that idea was in Halo 2.& ever since activision came along they been stealing other game developers idea's and claiming it as there's...just look at the golden guns thats in cod...you think that that's Activisions idea? well thats when your wrong...Golden guns was first introduced in Goldeneye 007 for the n64 back in the 90's by a game company called RARWARE..they were the 1n's that made that idea up in a FPS...and now they cant even make another goldeneye because activision has the IP to goldeneye which i dont know how they got the rights to it...but only GOD knows why..now back to the subject about joining in progress games over xbox live was Bungies idea..and not activision's idea..here's the story behind joining in progress games for xbox live multiplayer---> http://www.343industries.org/forum/forum/54-halo/ I hope this helps