Techdirt: When HBO Go was released on the PlayStation 3, it worked with every TV Everywhere compatible provider, but not Comcast. When customers complained, they were greeted with silence. Fast forward nearly a year later, and Sony has now announced an HBO Go app for the PlayStation 4. And guess what: When you go to activate the app you’ll find it works with every major broadband ISP — except Comcast. Why? The company tells Comcast forum visitors: “HBO Go availability on PS3 (and some other devices) are business decisions and deal with business terms that have not yet been agreed to between the parties.”