Attendance at the Inauguration of George W. Bush 2001 (people, not tossed eggs):
almost 250,000 people in attendance
Obama will have somewhere well north of 1,000,000.
Already at 5 in the morning in D.C.:
Thousands of spectators have already packed the mall in front of the Air and Space Museum, throwing down blankets and in some cases jumping right into sleeping bags.
Live pictures make it clear there are already huge crowds before the Capital building.