A 20-something sold his first company for $80 million in 370 days — now he's raising $11 million for his new startup

Jared Hecht sold his first company, GroupMe, 370 days after it launched for about $80 million. GroupMe, a group text-messaging app, was acquired by Skype in 2011. Hecht and his cofounder, Steve Martocci, left Skype in 2013. Both are working on new startups and, while they aren't business partners …