That seems like a model that other similar services have implemented successfully. PBWorks (was pbwiki) charges a flat $ rate per additional user. http://pbwo

That seems like a model that other similar services have implemented successfully. PBWorks (was pbwiki) charges a flat $ rate per additional user. http://pbworks.com/business-pricing.wiki http://pbworks.com/business-pricing.wiki I'd want a few users free to get hooked on the service first.