For everyone who complains that Twitter is a waste of time, here’s a video of Justin Wickett who uses it to control his house lights, saving on his electric bill and potentially scaring off would-be robbers.
Control Lights with Twitter from Justin Wickett on Vimeo.
Sure, you don’t need Twitter to do this … there are plenty of existing non-Twitter options, like Indigo, xPL Monkey, Smarthome, or Automated Home.
Of course, why stop at automating your lights?
(Hat tip to Engadget commenters for suggesting the automation options.)