Similarly , Time Warner Cable trialled the use of Roku devices as a set - top box in 2015 .
Comcast introduced a streaming television service as a lower - cost alternative to their main service , delivered through managed networks as part of their internet services .
Time Warner Cable trialled the use of Roku devices as a set - top box in 2015 .
Comcast introduced a streaming television service as a lower - cost alternative to their main service , delivered through managed networks as part of their internet services .