Airtime.com

Airtime is a group video chat app for iOS and Android. It originally launched to the public as a web product on June 5, 2012. It relaunched in April 2016. 
Overview.
Airtime is a joint venture between Sean Parker and Shawn Fanning.
History.
Airtime.com went live for general use on June 5, 2012. The site was launched after a press conference in New York City, which featured a number of major celebrities Snoop Dogg, Olivia Munn and Martha Stewart. , the site appeared to have few active users.
Airtime relaunched in 2016 as a mobile-first experience for iOS and Android.