I said 30. :p
Music is already there, more or less... streaming services are better every day. Video material, thanks to Netflix, Vimeo, YouTube is also moving towards that direction. Books are almost there too.
And I wasn't talking about gaming specifically, but general stuff, you need huge amounts of data processed, like a few hours of video encoded specifically for your portable device, you'd just upload the video, and it would get encoded and downloaded on your portable device very fast.
... and bla bla bla going to bed.
EDIT: And out existence has a purpose! :p Get drunk, have fun with girls, work to pay back society for giving you drinks and girls, get drunk, have...