In the world of [Mega Man Battle Network][1] (set in the year 20XX), kids have sentient A.I. buddies called [NetNavi][2]s and they hang out on the 'Net via their Navis, the new Internet (which is in 3D). A lot of kids also use their Navis to NetBattle in a 3D colosseum that can be hosted at home, in designated battle areas on the 'Net, and in arcades.

Really, Navis are friends, assistants, allies, &c in this world. I personally don't see A.I. as entities who want to kill us, so I think kids'll be fine. However, humans are the ones making A.I.s and *we* are capable of killing, so it's hard to tell. Anyhoo, this is what I think, haha. There are many good answers here though.


  [1]: http://megaman.wikia.com/wiki/Mega_Man_Battle_Network_(series)
  [2]: http://megaman.wikia.com/wiki/NetNavi