I'm curious if Yammer fell into this trap or if they were able to reach profitability with any of these techniques. Seems like they had a bit of viral growth bu

I'm curious if Yammer fell into this trap or if they were able to reach profitability with any of these techniques. Seems like they had a bit of viral growth but some initial searching implies they hadn't turned a profit yet. Also, the press seems to only want to talk about their revenue growth.