Technology Review - Free the Encyclopedias! What does Nicole Kidman have in common with Kurt Godel? Both are the subject of entries in Wikipedia, a free-wheeling Internet-based encyclopedia whose founders hope will revolutionize the stodgy world of encyclopedias.

What makes Wikipedia different from, say, Encarta (in addition to a name that hints of fruity drinks capped by paper parasols) is that anyone can contribute to it.