BayTSP has tracked the number of unique views for commercials that have been uploaded online following the airing of Super Bowl XLIII. The teaser trailer for Transformers: Revenge of the Fallen is the most watched commercial from the annual sporting event online, besting the G.I. Joe: Rise of Cobra trailer by almost 2,000,000 unique views. The trailer has also been had over 400 more copies uploaded to video hosting sites than any other commercial. A list of the views from the top twenty commercials can be seen through Business Wire.
Update: According to Media Life, the Transformers: Revenge of the Fallen advertisement generated seven times the amount of online discussion as the average Super Bowl ad, mostly on entertainment-focused social networks.