Imagine instead of paying for the subway or tram, you just watched few ads on your smartphone. In Düsseldorf, Germany, an app called WelectGo is giving people the opportunity to do just that. You watch four advertisements from companies that have partnered with WelectGo, and then the app uses the ad revenue to buy you a ticket that you can download on your smartphone.
People in Düsseldorf are watching ads for free tram tickets
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