Innovative wiki company Socialtext have launched group-based pricing for their hosted wiki solutions, including unlimited free wikis for groups of 5 or less. As CEO Ross Mayfield says, this is
…reflecting how the unit of value in wikis is the group that uses it…
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I’m a big fan of Socialtext, with the help of their hosted solution I was able to get a small project group introduced to the wiki way long before we had in-house wiki facilities, and I always found them very helpful. This is a great approach to pricing that lets the power of wikis spread in the best way possible – word of mouth in small groups.
Good luck Ross!