Oren Levy, chief technology officer with Smartpay.TV shows off their in-app billing system at Apps World North America 2013 expo at Moscone Center West in
Oren Levy, chief technology officer with Smartpay.TV shows off their in-app billing system at Apps World North America 2013 expo at Moscone Center West in San Francisco, Calif. on Wednesday, Feb. 7, 2013. The show held their first ever TV HackFest, where hacker teams battled for $3,000 in prizes to come up with new mobile-apps for TV. (John Green/Staff) ( JOHN GREEN )