Five years ago this week… Comcast unveiled its first streaming device XiOne available to both Comcast and Sky customers, marking the beginning of Comcast’s evolution from established cable operator to a global service provider. The RDK-based HDMI device was initially rolled out to Sky Q customers in Germany and Italy, as well as users of the Xfinity Flex streaming service in the US. Sky soon poured cold water over XiOne with the arrival of Sky Glass a couple of weeks later, confining Comcast‘s international ambitions to the two initial markets XiOne launched in. Evidently, any discussions prior to the acquisition of Sky by Comcast in 2018 were too premature to reveal early plans for Sky Glass. YouTube brings microdramas to…