URX
Mobile ads that users like. Acquired by Pinterest in May 2016.
http://urx.com
URX empowers publishers to monetize mobile content and enables advertisers to drive mobile commerce. The world's most forward-thinking companies use URX to connect users directly to relevant commerce experiences. URX is headquartered in San Francisco and has raised $15M from Accel, Google Ventures, First Round Capital, SV Angel and Y Combinator.