sticks_us writes: By pairing an infrared sensor with the camera already on board, portable devices could receive data from transmitters placed, well, wherever. Beyond simply blasting out text and opening links like a glorified QR code, transmitters could disable certain features, such as the camera, to prevent recording at movie theaters and music venues. If completely shutting off the cam seems a bit heavy-handed, watermarks can also be applied to photos identifying businesses or copyrighted content...
Top Ten Things Overheard At The ANSI C Draft Committee Meetings:
(7) Well, it's an excellent idea, but it would make the compilers too
hard to write.