Comcast says it is now competing, sort of, with HBO, Showtime, Sony and Dish’s Sling TV, all of which will sell you at least one cable TV channel delivered over the Web. Comcast’s version is called Stream, and it will deliver all of the broadcast networks, plus HBO, for $15 a month.
Source: Comcast Sells HBO + TV on the Web for $15 a Month | Re/code