Except what you just named is country wide, not world wide. All you named was American based cities.
World wide would just get a bit stupid. Now, if it's an online computer worldwide MMORPG, then it might be cool. A semi-matrix sort of deal.
Off-topic: Sony has patented the idea for "the matrix". Not the matrix itself, but the idea for the matrix. So when it's invented, it will probably be Sony that makes it.