De facto banking subsector destruction and a financial app that can claw a great deal of Dodd Frank money back from the fed
Cozumel water taxis and monopoly busting via crowd sourcing.
GIS servers mapping private scrip acceptance. Startup opportunity...
Weapons at the airport pay per view fights: nail clippers vs knitting needles. Mext underground MMA sensation or anti security theater performance art?
Update: As my inspirations pan out, I'm updating this post with links. Not all of them are likely to make it to actual items.