Streaming media device use has doubled since 2011, with 14% of U.S. broadband households using products like the Apple TV or the Roku in 2013, reports Parks Associates (via CNET). While the Apple TV has increased in popularity over the last several years, it falls short of competing product Roku. A survey of 10,000 U.S. broadband households revealed that 37% used a Roku device while 24% used an Apple TV, making Roku the most used streaming set-top box in the U.S. Parks Associates predicts that worldwide connected TV device sales will doub