Amazon Instant Video doesn't work on an Xbox 360, which is what I use for streaming Netflix. The rentals work on my Tivo, but not the free streaming included w

Amazon Instant Video doesn't work on an Xbox 360, which is what I use for streaming Netflix. The rentals work on my Tivo, but not the free streaming included with Amazon Prime. And it doesn't work on my iPad at all. Netflix works in all these places and works well.