Microsoft’s Bing has passed Yahoo to become the number two search engine in the US, according to the latest data from The Nielsen Company. In August, Bing grew from 13.6 percent to 13.9 percent of the US search market while Yahoo shrunk from 14.3 percent to 13.1 percent. Meanwhile, Google’s share was up from 64.2 percent in July to 65.0 percent. Combined, Bing and Yahoo had a search share of 27.0 percent, still less than half of Google’s…