According to a new eMarketer study, Roku is now the leading connected-TV device in the U.S. Roku has more users than Amazon Fire TV, Apple TV and Google Chromecast. The research firm estimates that 38.9 million U.S. consumers will use their Roku devices at least once per month this year. Chromecast will follow at 36.9 million users, Amazon Fire TV at 35.8 million, and Apple TV at 21.3 million. Roku is the only one of the four leading brands that is not connected to an affiliated content service and, as a result, has signed agreements with numerous partners. Continue reading New Research Places Roku at Top of Connected-TV Market