Bloomberg Radio host Barry Ritholtz speaks with Howard Lindzon, who is co-founder and managing partner of the early stage seed investment fund Social Leverage. Lindzon also cofounded the social network Stocktwits, which pioneered the "cashtag" and today has over 6 million monthly unique visitors; in addition, he has written several books and hosts the podcast "Panic With Friends."See omnystudio.com/listener for privacy information.