Gadgets...

Justin at Materialicious asks "How cool is this?" BoingBoing asks "Why didn't somebody think of this before?! Was there some engineering issue that had to be overcome to allow such an elegant, ingenious and obvious design?" I can think of a couple of reasons: 1) Nobody needed it when outlets weren't grounded or we didn't have wall-warts; 2) It probably still isn't legal in kitchens where outlets are "split"- two circuits to each plug; 3) Because it is made by one manufacturer and is different than the unive...