Microsoft’s Yammer acquisition will immediately establish it as a business social media player but that is only the starting point. There is a lot to be done before it can benefit - and profit - from the purchase. Timing, and the depth of integration with the Microsoft portfolio are key factors in the success or failure of this move. TechMarketView subscribers can read about the social challenges Microsoft faces and the impact of this acquisition on the sector in HotViews Extra Microsoft steps onto a social tightrope with Yammer.