Oracle's OpenWorld is the software company's largest conference of the year. It's particularly hectic for CEOÂ Mark Hurd. Last year, CNBC got an exclusive look at how Hurd spends his day. Splitting his time between panels, roundtables, meetings and business deals, he's a hard guy to track. As OpenWorld comes to a close, watch a day in the life of the CEO of a $180 billion company.