Uber is launching a new ad format that lets brands offer users cash off their next rides. Uber is launching a new ad format that lets brands offer users cash off their next rides. Uber this week said it's launching a new ad format that lets brands offer its users cash off their next rides. Argylian said Uber is looking at ways to ramp up its ad business outside its cars and apps. It's working on letting advertisers use its data and context about how users have been recently using Uber and Uber Eats to target ads on other websites and apps.