Barack Obama's second inauguration ceremony is set for Monday, Jan. 21 at approximately 11:30 a.m. ET. About 800,000 people have descended on Washington, D.C. to watch the president's ceremonial swearing-in, listen to his inaugural address, watch the parade and perhaps attend an inaugural ball or unofficial party.
Mashable will be curating the best social media content related to the inauguration throughout the day. If you're at the inauguration, send your photos or video to @MashUSWorld on Twitter and we will consider including your content in our story.
The White House live stream of the inauguration is above.
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