Do you remember those TV remote control watches from the 90s?  You know, the stealthy wrist-watch that could turn a TV on or off without ever being caught (well, unless you snickered).  A great prank to pull when you were in middle school and there happened to be a TV in the corner of the room or something. What if you had the updated equivalent device?  Able to turn off any modern TV or IR-controlled display?  Imagine the fun that could be had with one of those. Ok, ...