Yahoo! Q4 2006 Earnings Call Transcript - SeekingAlpha

"Fourth, we continue to respond to the changing mix of available inventory. In October, we announced that Yahoo! had acquired a 20% stake in Right Media, the largest emerging online advertising exchange for both buying and selling ad inventory, and that we would also join the Right Media Exchange. As the quarter progressed, we gradually increased our allocation of non-premium inventory to the exchange and worked with direct marketers to educate them on how to utilize Right Media's performance optimization tools. We believe these and other initiatives continue to help ensure that Yahoo! remains the first and most attractive choice for display advertisers. "