Also, you can see amazing detail on the crowd behind President Obama -- President Bush is caught mid-applause, as are Vice-President Biden and a number of other folks, and Dick Cheney, who's next to Bush in a wheelchair, has a fantastic look: like a cross between Toht from RAIDERS OF THE LOST ARK and FDR. It's great fun if you're into people-spotting, or if you're in the mood for the world's most fiendish game of "Where's Waldo." According to the photographer, if you keep an eye out you might spot Yo-Yo Ma taking a picture with his iPhone.
Here's the photographer on how he did it.