Mentions of Wikipedia on usenet seem to be growing fairly fast, in the past 24 hours an english wikipedia article has been linked to in the following groups,
alt.slack sci.crypt fr.comp.lang.java rec.arts.tv.uk.eastenders alt.fan.cecil-adams de.sci.philosophie alt.messianic talk.politics.misc alt.religion.islam
Wikipedia seems to be getting a lot of readers from a wide range of groups.
Imran