Inauguration 2013 in Social Media: The Memes, Photos, Stats They say a million people have descended on Washington, D.C. today to watch Barack Obama's second inauguration, but many more are watching and commenting on the Internet via Twitter, Facebook and social media. As of 10:00 a.m. ET, Twitter reported that in the previous 90 minutes there had already been more tweets than during the actual 90-minute inauguration ceremony in 2009. Follow along here as we watch for the hottest Inauguration chatter. Tune in to the ABC News.com Live page now for all-day live streaming video coverage of Inauguration 2013: Barack Obama. Memes and Photos We told you you Aretha Franklin's famous 2009 inauguration hat was going to make a comeback. We just didn't know how, er, small it would be. Katy Perry tweeted about her little hat this morning. Big inauguration, tiny Aretha hat. twitpic.com/bx3k4a Katy Perry (@katyperry) January 21, 2013 Image credit: @katyperry/Twitter And then John Mayer popped up in Washington wearing his own. But the hottest hair conversation? Michelle Obama's bangs. We assume it is only a matter of time before someone makes the fake Twitter account for them. rob delaney (@robdelaney) January 21, 2013 Thousands are also tweeting links to the full text of Martin Luther King Jr."s "I Have a Dream Speech." Here's the text of the speech on ABCNews.com. The Stats 90-minute 2009 #Inauguration Ceremony = ~82k Tweets. Last 90 min today, #inaug2013 = ~124k Tweets. Twitter Government (@gov) January 21, 2013 #Inaug2013 -related Tweets hit 14,062 per min as @barackobama announced. #Inauguration peak in 2009 was 3,210 TPM, following Oath of Office.