To go along with their recently created Twitter accounts, Blizzard has now started up an official YouTube channel as well. Right now, the channel just contains animations and cinematics that we've mostly seen before (not that we mind watching that Burning Crusade cinematic for the umpteenth time), but we presume that in the future, we might see newly released videos, including possibly interviews with Blizzard staff, and maybe even some (gasp!) gameplay videos as well.
Whoever's in charge of social media over at Blizzard has really been working it lately -- we can't wait to see their Last.fm account (Most Played: the artists formerly known as Level 80 Elite Tauren Chieftain) or their OkCupid account (Adam Holisky & Alex Ziebart would be at least 87% friends with Ghostcrawler, no question). Definitely fun to see Blizzard, historically a very closed-door company, opening up a little bit to the various outlets where they can correspond with fans.