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Cross-Device Ad Startup Drawbridge Adds Mobile App-To-Web Retargeting (And Vice Versa)

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Drawbridge, an ad targeting startup backed by Kleiner Perkins Caufield & Byers and Sequoia Capital, is expanding its offerings today with a new feature allowing mobile advertisers to reach consumers with retargeted ads, regardless of whether they’re using an app or on the mobile web.

Founder and CEO Kamakshi Sivaramakrishnan said that while ad retargeting (i.e., ads targeted based on your past visits and activity) is possible within apps, things get trickier when you try to cross the boundary between apps and websites: “It’s literally two devices on the same device, separated by an iron wire.” (I question her question use of “literally”, but I think you get the point.) App developers can also try to reengage their users through alerts and notifications, but users can always turn those off.

In order to solve that problem, Drawbridge is “piggybacking” on its core technology. That technology examines user activity to help advertisers identify when multiple devices are likely being used by the same person. That allows advertisers to use data collected on the desktop to target ads on mobile. The company’s two products launched last fall include PC-to-mobile retargeting and mobile app marketing. The mobile-to-mobile retargeting is intended to fill out the mobile marketing product, Sivaramakrishnan said.

Drawbridge has already run test campaigns with e-commerce companies, who were either trying to bring old customers back to the site or to convince current customers to buy more. Sivaramakrishnan said that in a campaign targeting lapsed users, the client reached 100 percent return on ad spend within three weeks. Another campaign targeted active users and reached 100 percent ROAS within a single day.

Advertisers will have a chance to test this out for themselves, Sivaramakrishnan said, because the new capabilities include an A/B testing framework. So advertisers can run part of their campaign with Drawbridge’s retargeting and part of their campaign without it and see which ads perform better.

Earlier this year, Drawbridge announced that it was partnering with TRUSTe to allow mobile consumers to opt out of its targeting. Since then, Sivaramakrishnan said that some users have indeed opt out, but that the rates haven’t been “heavy”.