I've written about the issues with HBO Go extensively. It's a terrible app that has a lot of promise, but it's really hampered by old-media ways of thinking about content distribution. The app is intended to be a second, third of fourth screen in your house, nothing more. That's not what the name implies, nor does that fit the reality of how many people consume content today.

You can't cache/download shows to use on the go, meaning that your streaming ability requires a connection and a good one at that: http://interchangeproject.org/2012/05/14/game-of-thrones-loo...

Why is HBO Go not a to-go service? http://interchangeproject.org/2012/05/10/why-is-hbo-go-not-a...

Here is a podcast discussing the issues with HBO Go: http://interchangeproject.org/2012/05/22/episode-38-to-go-or...

Essentially, what I'm trying to say is that HBO Go is a needless usability mess.