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Outer Advertising provides rooftop advertising to ridesharing drivers throughout New York, San Francisco, and Los Angeles. Drivers earn money simply by attaching a magnetic, non-damaging sign to the roof of their car during the time that they are working for their ridesharing service. When not in service, the signs can be removed and put into the trunk of the car. Check out our FAQ page for more information and Sign Up to drive. We can't wait for you to get started.