<<It’s not unusual for other search engines like Yahoo, Bing or Ask to advertise on Google. But I’ve never seen Google run an ad on another search engine until now.

I did a search this evening on Bing for Google Chrome. To my surprise, there was an ad right at the top of the page advertising Chrome, apparently from Google:>>

http://farm3.static.flickr.com/2749/4386963006_53dc8f9d47.jpg

http://searchengineland.com/google-advertises-chrome-on-bing-36865