Kyle Wiens of , a Web site that provides free repair manuals and advice forums, hopes to see an iPad AR app for car repair that sounds eerily familiar to another Apple filing example: a car mechanic holding an iPad over a car engine to identify parts and see schematics and excerpts from a repair manual. (Check out Wiens' .)

"It would be amazing," Wiens says. "We're waiting for the killer app on augmented reality."

covers Apple and Networking for CIO.com. Follow Tom on Twitter . Follow everything from CIO.com on Twitter and on . Email Tom at tkanshige@cio.com