W3C10 Europe Keynote: How do you measure the cost

How do you measure the cost

... of the US still using feet and pounds?
... of power sockets being different all over Europe?
... of US cellphones not being GSM?
... of the first WAP not being an open Internet platform?
.. of the / in MS-DOS being backwards?
... of U Minn asking for a fee for Gopher in 1993?

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