A Revenue Stream is not a Business Model(slashstar.com)
slashstar.com
A Revenue Stream is not a Business Model
http://slashstar.com/blogs/tim/archive/2008/11/03/dissecting-yammer-a-revenue-stream-is-not-necessarily-a-business-model.aspx
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http://slashstar.com/blogs/tim/archive/2008/11/03/dissecting-yammer-a-revenue-stream-is-not-necessarily-a-business-model.aspx
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