In short: Microsoft Advertising (formerly Bing Ads) runs your search ads across Bing, Yahoo and Microsoft's Copilot-powered surfaces — reaching an audience that skews older, more affluent and, on UK desktops, far larger than Bing's headline market share suggests. For many small businesses it means cheaper clicks and less competition than Google, and you can import your existing Google Ads campaigns in minutes to test it with barely any extra work. Why Microsoft Ads is worth a