InvestmentsTop Global NewsMarketsReal Estate Comcast gives away Xfinity Flex TV device, pounding shares of Roku By financialnews_rlv83x - September 18, 2019 0 207 Comcast Corp said on Wednesday it will offer internet customers a free streaming media set top box that works with other services, stepping up competition with Roku Inc in the market for a device that organizes multiple subscriptions.