Ad tech company , Jun ##tech , has just raised $ 28 m in additional funding . The company aims to challenge Twitter , Facebook and Yahoo in bringing digital advertising to mobile apps . The company currently delivers ads into games and media apps , and has some big clients on its website .
Ad tech firm, Jun Group, has just raised $28m in additional funding. The company plans to challenge Google, Facebook and Yahoo in bringing digital advertising to mobile apps. The company currently delivers ads into games and media apps, and has some big clients on its books.