Well, it seems he has gathered capital from a number of investors, which may want to be paid back:
"Angel Investors and Advisors include; Ashton Kutcher, Betaworks, Brian Chesky, Hosain Rahman, Jessica Powell, Joanna Shields, Josh Kushner, Mark Pincus, Matt Mullenweg, Seb Bishop, Shakil Khan, Spencer Hyman, Stephen Fry, Troy Carter, Vivi Nevo, Yoko Ono and many more. We are also working closely with News Corporation on the summarization of their content."
Source: http://summly.com/about.html
But sure enough the kid is rich now.