More online than local: Why I love Google Docs
Beth's Blog: How Nonprofits Can Use Social Media
OCTOBER 11, 2006
And, with google groups you have an option of reading via a RSS feed. So, I've used wikispaces, pbwiki, socialtext, jotspot, and writely (now google docs). I still read listservs because that's the only place I can find a particular people/peers sharing information about a particular topic.
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