Check out this amazing use of AR via Wired
http://theleakinyourhometown.wordpress.com/
“the leak in your home town” is an iPhone app that lets users see the BP Deepwater Horizon oil spill whenever they see a BP logo. A user simply launches the app and aims their iPhone’s camera at the nearest BP logo. What the user sees is one of the broken BP pipes coming out of the BP logo, and out of the pipe comes the oil, pluming upward.
BP Logo Hack in Action
