Gameinformer: Gamestop seems to know the frustration of buying more Microsoft points than you need in an effort to get a downloadable game, and that's one of the reasons they've launched Downloadable Content Centers in every one of their 4,400 stores. In addition to selling Xbox Live Arcade games, these centers will also sell add-on content like new maps, characters, etc.
Online multiplayer is back for 11 more games thanks to Insignia's XBL 1.0 replacement service running on Original Xbox consoles and the Xemu emulator on PC. Multiplayer, voice chat, leaderboards, etc. have been a monthly addition for many games from Xbox's past library thank to the team at Insignia.live! The 11 new games are now playable online once again after 13+ years.
Sure, there was online gaming back in the day but the modern age of online video gaming began almost twenty years ago with Xbox Live 1.0.