http://help.hbonow.com/app/answers/detailHBO/a_id/125/~/differences-between-hbo-now-and-hbo-go
How are HBO NOW and HBO GO similar?
PROGRAMMING
HBO NOW and HBO GO have the same great content; unlimited access to all of HBO - every episode, every season - plus hit movies, sports, documentaries, and comedy specials. To see what programming is available, go to HBO.com/schedule/hbonow-hbogo.
i use HBO GO. my sister hooked me up with her charter account. now if only one would share their comcast/xfinity account here with me. i'd be golden! 