Rohan Marley, son of the late reggae singer Bob Marley, demonstrates the The House of Marley company's $349.99 Bag of Rhythm portable audio system for the iPhone at the Consumer Electronics Show opening event in Las Vegas January 8, 2012. The CES trade show will feature razor-thin laptops, powerful new smartphones and fancy flat-screen TVs, but talk in the cavernous halls of the CES may focus on whether the show itself has a long-term future. REUTERS/Rick Wilking (UNITED STATES - Tags: BUSINESS SCIENCE TECHNOLOGY ENTERTAINMENT)