HBO arrives as an addition to the normal Sling package, which costs $20/month.
However, for HBO, users can stream to up to three devices simultaneously.
HBO Joins Sling TV Today| BusinessWire viaThe Verge
HBO Arrives on Sling TV, Streams to Roku, Xbox One, Android, and More
Just two days ago, HBO launched HBO Now, the standalone streaming service, with an exclusive on Apple devices. “Exclusive” might be a vague term, thou
