jarrod on 29 December 2009
It's still questionable if Sony's even the lead IP owner in Blu-ray at this point. Right now, everyone in the know seems to put Sony, Matsushita (Panasonic), Pioneer and Warner (lol, is this what it took to get them off HD-DVD?) on basically equal footing.
It's not Sony's format, it's a consortium format (like DVD). Which is probably why you'll see Nintendo and possibly even Microsoft using it next gen.
Essay Pro