According to an article over at T3, a leaked Sony document details a few secrets about the PS3 and its internal Blu-Ray player. The Playstation 3 will be one of Sony's first pieces of hardware to use the "BD Live" technology, which allows Blu-Ray players (not limited to the PS3 -- most Blu-Ray players will incorporate this technology given a year or two) to go online and download new content whenever a disc is inserted.

PS3 Insiders