President Obama is answering questions, presumably from many regular folks, that have come in via Twitter. The event's supposed to get started at 2 p.m. ET.
The commander in chief, we understand, won't be typing in his answers and won't be limited to 140 characters. He'll be talking. Twitter co-founder Jack Dorsey will be moderating. The New York Times' Media Decoder blog explains that "a handful of journalists from across the country" are helping choose the questions.
We'll update this post with highlights as they happen. Be sure to hit your "refresh" button to see our latest additions.