With 20,000 robotic machines already on the job, contract manufacturing giant Foxconn is on track to hit its goal of deploying a 'million-robot army,' CEO Terry Gou said recently.Related StoriesElton John, Arctic Monkeys, John Legend join iTunes Festival 2013 lineupNew EU law could open the door for more online musicEvidence points to free iWork, iLife apps for iOS, Mac later this year