![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgDBtOyYSz3l_LE0RNVLKs0LlV03_wOsl7sl8RkuADEfnKL25MIwv-EByfJxwQCJDqJXidm1l_x1B0VNldvi1DYB6SiD45icJ9A55bwvP9xXIaGJr3OQAizllUa4S-A5mGqss9h/s200/yahoo_smart_ads.jpg)
Yahoo's freshly launched Smart Ads network rearranges ad unit assets to display personalized messages and layouts on the fly based on the individual user's demo info and past behaviors. Details and a quote from Wall Street Journal on Search Engine Land. Looks a lot like that ad I've been hit with when searching for an overseas flight.