"uid" microformats? (was Re: [uf-discuss] ISBN mark-up)

[Andy Mabbett]

In message <C0739614.6D4BA%tantek at cs.stanford.edu>, Tantek Çelik
<tantek at cs.stanford.edu> writes
>> I think the case for ISBN is no big difference from telephone number or
>> zip code, etc.
>
>The average person knows, understands, and uses telephone numbers and
>zip codes all the time. The same cannot be said about ISBN.

Interesting assertion. Care to cite your evidence?
-- 
Andy Mabbett
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