User blog comment:WoLF42/Why I play LoL, What makes it special, and more/@comment-62.1.221.28-20110810074643/@comment-4204106-20110811144101

Well it's updating that eats up your internet. Also, when it does update (even just once), it downloads Pando Media Booster, which does use up even more... Bear in mind, while being in the Launcher (not in game) also uses internet so...