Although World Cup tweeting caused record high volume and infrastructure demands on Twitter, the most-discussed topic on Twitter this year was actually the Gulf oil spill, said the San Francisco-based company tonight.

While an iPad in the wild--held up by Stephen Colbert--got a lot of ink, here's a video from last night's Grammy Awards, which went all "Avatar" during a tribute to the late Michael Jackson--when a panoply of belt-it-out singers performed one of his posthumous songs with a 3-D twist. In fact, much of the audience was wearing 3-D glasses--including Beyoncé, pictured here--to properly experience the performance of "Earth Song" and its accompanying film, which was supposed to be part of Jackson's "This Is It" tour.