Just for the record:

• David Heinemeier Hansson: born in Denmark 1979. Partner at 37signals
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• Lars Ulrich: born in Denmark 1963. Drummer for Metallica
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• DHH: outspoken proponent for building businesses from revenue.
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• Lars: outspoken proponent for exploiting copyright for money.

I wonder what they added to the drinking water in Denmark back in the 70's?

Blogarhythm: Smoke on the Water - Metallica covering Deep Purple.