http://www.patentlyapple.com/patently-apple/2011/06/apple-working-on-a-sophisticated-infrared-system-for-ios-cameras.html

A few days ago I wrote about a patent application from Apple regarding a use of IR to augment the iPhone’s camera. Mikael Jorhult (@mikaeljorhult) then gave me this link to a very comprehensive overview. Please note the large number of possible uses that isn’t about obsessive control.