Microsoft has upgradede the adCenter interface and added new features to help make managing your adCenter campaigns easier. The updates include:

• Campaign Management: ability to pause and resume ads and keywords, geo-targeting enhancements, and improved performance reporting on the Ads page
• Editorial Improvements: faster reviews, dynamic feedback about why ads and keywords were disapproved, and inline notification when dynamic text causes your ads to exceed character limits
• User Management: if previously you were only able to have one user, now you can create multiple account users
• Content Ads (U.S. only): get keyword bid suggestions and performance estimates for your content ads