One of the key areas where major players and startups alike will battle is over online high definition video, both free and paid for. As consumers have access to ever more powerful PCs and broadband connections, and may be starting to access higher quality video online from newer companies such as Hulu and Vudu, the more established sites are having to raise their game. Notwithstanding that each company likes to use the term "high definition" without necessarily adhering to the same standards as you'd find on either broadcast HDTV or a Blu-ray disc (and the standards are usually much lower), YouTube has started to experiment with videos of a quality akin to that of HD movie downloads from iTunes. Probably in 720p format, and with stereo sound, it's causing quite a stir. YouTube had previously upped the level of some videos to near-DVD quality, but this is a major leap...