Microsoft’s latest effort to gain relevance in the search wars is about to get a whole lot more interesting. According to All Things Digital , the company is set to announce deals with both Twitter and Facebook to integrate status updates into its Bing search engine. Details are expected to be announced later today at the Web 2.0 Summit, but the stage has been building for this for some time. Microsoft invested $240 million in Facebook back in 2007, and has since signed search and