SAN FRANCISCO, June 24 (Reuters) - Yahoo Inc. is merging the two main parts of its U.S. advertising business after veteran sales executive Wenda Harris Millard resigned, the latest in a string of ...

NEW YORK, Sept 24 (Reuters) - Yahoo Inc's chief executive said his company's new system will make Internet advertising cheaper and easier for publishers and advertisers. Yahoo Chief Executive Jerry ...

Yahoo/Adobe initiative will allow publishers to display contextually relevant, dynamically generated ads on PDF files posted on the Web or sent via e-mail Yahoo and Adobe are partnering to allow ...

An estimated 2.5 million Yahoo users were likely infected with malicious software, after hackers hijacked some of the company's advertisements, and used them to attack web surfers. According to cyber ...