TODAY | October 12, 2012
>> a lot of people reacting to this debate. online more than 4 million tweets were sent during the 90-minute showdown.
>> needless to say a lot from celebrities, bill mahr who tweeted, hello, 911. there is an old man beating a child on tv, of course, referring to biden 's body language which a lot of people were talking about on twitter.
>> keeping in mind which side bill mahr tends to take. we're looking at some of the photos right now. actually some interesting sights have cropped up, including biden 's smirk
or@bidensmirk or @bidensmiling. his gestures were the star of the night.
>> there's an @laughingjoebiden and a lot of jokes on twitter whether biden secretly might have had an ipad on podium and was watching "blazing saddles."
>> i think we've seen photos from the podium. we'll talk about that at the second.