Microsoft buying Yammer means that Microsoft wouldn’t have to build an alternative to Yammer. Yes it’s a billion dollars, but if anyone can afford it, it’s Microsoft (and maybe Facebook?). They already own a segment of the business market, I think this would be a smart move on Microsoft’s part.
Digital Media is exciting. Having worked in the industry, I've been lucky enough to get a first-hand view of how changes translate into action at one of the largest media conglomerates. As the media industry transitions and the way people consume information changes, different segments react in different ways - stay tuned!