Today, President Obama is scheduled to hold his first Twitter Town Hall. Starting at 2 p.m., Twitter users can pose questions to the president by using the  #askObama hashtag. Jack Dorsey, Twitter co-founder and the executive chairman, will moderate the Twitter Town Hall. The event will be live-streamed via the White House website or the website askobama.twitter.com. Twitter users can monitor the event by following @townhall. Source