It's likely to have come about because of the Google TV threat—however much of a threat it may or may not be, it's likely worried Microsoft.
Nonetheless, it's all good news for us, as more competition means lower prices and better service, with whatever package you've bought into—so even if you don't have an Xbox 360, it'll act as a veritable kick up the bum to other companies. The full details aren't known just yet, as Reuters has only spoken to several people about Microsoft's plans in this field, but supposedly they want to offer more channels. It's unlikely to happen for another year or so, but is one to watch out for.[/p]