Sorry, I was referring to how feature complete Yammer is compared to Twitter. Also it's not really "fair" to compare their traffic graphs as both company is in

Sorry, I was referring to how feature complete Yammer is compared to Twitter. Also it's not really "fair" to compare their traffic graphs as both company is in a different category. Twitter is mainstream, while Yammer is built for intra-business communication. And isn't Yammer already profitable?