In this video


Why we tweet: Part 1

Carl Quintanilla, host of CNBC's "#TwitterRevolution," discusses the state of social media with Matthew Knell, vice president, social and community,; Melissa Rosenthal Brenner, senior vice president, marketing, the NBA; Heidi Moore, editor, U.S. finance and economics, The Guardian; and Christina Warren, senior tech analyst, Mashable.
Thu, Aug 8 201312:00 AM EDT