It’s hard to track earliest citation on the Web, at least using Google. I suppose the blog indexes, with all the date stamping, might do a better job. I’ll see if Blogdex is searchable again, and Daypop.
Meanwhile, the earliest Usenet cite I could find by its very nature testifies to the existence of the word, as it in French and addresses the issues involved in translating neologism.
Here’s the original French (anyone want to supply a human translation?):
Le mercredi 24 octobre, j’