Why Does Every Country Have a Different Darn Plug?

The more you look at the writhing orgy of plugs in the world, the sillier it seems. If you buy a phone charger at the airport in Florida, you won't be able to use it when your flight lands in France. If you buy a three-pronged adapter for le portable in Paris, you might not be able to plug it in when your train drops you off in Germany.
Original article from http://www.dailygalaxy.com/my_weblog/2009/10/500x_Plug_confusion_2%20Why%20Every%20Country%20Has%20a%20Different%20F#$%ing%20Plug%20%20http://gizmodo.com/5391271/giz-explains-why-every-country-has-a-different-fing-plug