Comedian Yakov Smirnoff once said: "In America, you watch television. In Soviet Russia, television watch you!"
Having seen "1984" at an impressionable age, I'm not at all comfy with having electronic devices watching me.
If you're interested in learning more about embedded vision, check out the Embedded Vision Summit, a full-day educational event at DESIGN West. Details at http://www.embedded-vision.com/embedded-vision-summit.