In 1988, facing competition from rival Blockbuster Video, Berger sold the National Video franchise chain and renamed the company Rentrak [REF].
Mark Cuban, Internet billionaire, owner of the NBA's Dallas Mavericks and the HDNet networks, purchased 120,000 more Rentrak shares on Aug 22, 2011 and holds an 8.7 percent ownership stake in the company as of Sep 22, 2011.