Google is testing banner ads on web search results – reneging on a 2005 promise that “there will be no banner ads on the Google homepage or web search results page… Ever.”The company confirmed to the Guardian that it is testing a system with about 30 advertisers in the US in which it shows banner ads for companies including SouthWest Airlines on pages which include them in web search results.
http://www.theguardian.com/technology/2013/oct/24/google-breaks-promise-banner-ads-search-results