Yahoo oneSearch first look Summary: Yahoo unveiled its oneSearch tool to up the mobile search ante. By Larry Dignan | March 20, 2007 -- 04:58 GMT (21:58 PDT) Follow @ldignan Previous | Next Image 1 of 10 Yahoo released its oneSearch mobile search, which is designed to up the ante against Google. In other words, the search battleground is going mobile. Topics: Browser, Social Enterprise Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.