Terms of the deal aren't being disclosed, but Microsoft announced today that it has acquired the content analytics firm VideoSurf, and it's being crystal clear about where it will be putting it to use: Xbox Live. VideoSurf, for those not familiar, is a company that specializes in computer vision technology, which lets it "tag" individual frames of videos in real time and deliver better search and discovery services. Earlier this year, it released an Android application that basically amounts to Shazam for video. As for its plans for Xbox Live, Microsoft says that it will