I used to do business development work at Sony bringing content services onto the TVs although this is a few years ago now. It is complicated and messy and ther

I used to do business development work at Sony bringing content services onto the TVs although this is a few years ago now. It is complicated and messy and there are many aspects both technical and commercial[0] that can cause services not to be available. Lovefilm were one of the most flexible and adaptable service providers although I don't know the extent to which this still applies with Amazon. I don't blame Panasonic for not supporting Flash/Silverlight in the TV. Adopting either of these is likely to require unpleasant licensing terms AND opaque binary blobs into the TV software. On the service provider side they cannot just drop the security measures (DRM or other security measures) as that would likely be breaching their own licenses from the content owners (film companies). If not supporting a major recognised DRM approach it can be a real sticking block. [0] Including placement, branding, design and obviously any revenue share arrangements.