Blue's News (#1 and #2) mentioned a free weekend (ends on Sunday, 20th, at 1:00 PM PST) and a playable demo(nstration) of Magicka from Steam. Since it was a free weekend of the full game, your overlord decided to play it on the long weekend (took Friday off). Here's the brief review of it for mostly single player:
Music History in Graphics Interchange Format (GIF)s show animated images from various music pieces
VideoSift shares a 4.25 minutes YouTube music video, with parodies and spoofs, showing some YouTubers starring in a mash-up of culturally defining moments of 2012. Can you spot all the references? There are also interactive surprises/Easter eggs too. See Reddit comment for the answers and links. There is also a six minute and 14 seconds behind the scenes on YouTube.
YouTube has a almost minute video collection showing "LORE in a Minute! -- ... your one-stop shop for the backstories of your favorite videogames, up until the moment you start playing.