When hackers sent out a bogus tweet from the Associated Press' Twitter account, the financial markets took a minutes-long nosedive. For more on how social media affects our world, NewsHour political editor Christina Bellantoni talks to Daily-Download.com's Lauren Ashburn and…

Video courtesy of the White House YouTube channel. Updated, 10:45 p.m. Monday's Daily Download segment examined the White House's use of social media to bypass the filter of the traditional press. Howard Kurtz and Lauren Ashburn of…