Did the addition of "What's Hot" not satiate your burning desire for real-time happenings on Google's social network? You're in luck, as Mountain View's quietly added another way to aggregate popular content on Google+. Upon initiating a search, a list of trending topics appears to the right, exposing what's currently en vogue on Mountain View's social network. Functionally, it's a dead ringer for Twitter's trending topics and unlike "What's Hot," won't bombard you with random unrela