There were plenty of boxers at this year's CES, including former three division world champion Miguel Cotto, who attended the event for Ecko Unlimited. The 2013 International CES took place at the Las Vegas Convention Center in Las Vegas, Nevada. CES, the world's largest annual consumer technology trade show, runs from January 8-11 and is expected to feature 3,100 exhibitors showing off their latest products and services to about 150,000 attendees.