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"What goes well with a communication-enabled water dish? Why, a Twitter / RFID-enabled kitty door, of course! The so-called Tweeting Cat Door is undoubtedly the most hilarious, insightful and useful DIY contraption we've ever seen to wed RFID, social networking and computer programming. Essentially, this homegrown cat door was crafted to only open when Gus or Penny walks up with their super special RFID tags; once they approach, a mounted camera snaps a picture and uploads it (along with a quip) to Twitter. Don't deny it -- your feline is steaming with envy from the corner of your desk right now.[Via Switched]"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2009/04/09/intelligent-cat-door-utilizes-twitter-rfid-masterfully/?ncid=rss_semi>