Social Media Do you tweet like a firehose — or like a leaky sponge? You might be surprised to find which category Twitter founder Biz Stone falls under. By Michael SebastianFeb. 17, 2011 SHARE Turns out the founder of Twitter, Biz Stone, falls into the latter category. To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.