Right Media, Inc. is an online advertising company that operates the Right Media Exchange (RMX), a marketplace that enables advertisers, publishers, and ad networks to trade digital media. Technology providers develop services for the Exchange via APIs. Right Media was founded, in 2003, by Michael Walrath and brothers Noah and Jonah Goodhart. Former CTO and former director of analytics Mike Nolet subsequently co-founded AppNexus, in 2007. On April 30, 2007, Yahoo! announced the acquisition of Right Media in a total transaction valued at approximately $680 million.