David Pann addressed concerns Thursday at a San Francisco Forum on whether Bing will follow Google's lead regarding changes made to AdWords Enhanced Campaigns. Some sophisticated marketers believe the change brings inefficiencies for those with specific targeting needs. He tells us that "while enhanced campaigns can provide greater management efficiencies and improved mobile traffic performance for certain advertisers, our customers have expressed concern that this change may introduce inefficiencies for more sophisticated advertisers or those with specific targeting needs." Read the article here.