Microsoft today announced the availability of display advertising across Windows Live for mobile services. Advertisers can now extend their campaigns to social media through Windows Live for mobile in France, Spain, the U.K. and the U.S. by creating banner ads that will be visible across Windows Live Messenger and Windows Live Hotmail. continued »

Google has announced a new format of mobile image ads in its blog yesterday. By placing image ads on mobile websites, users will be brought to the advertiser mobile webpage when they click on the image ads. continued »