Kolle Rebbe and German Wahnsinn used a technically sophisticated promotion and guerrilla campaign for Joyn and the second season of the series "Mocro Maffia".
With the "Ultrasonic Maffia Call", they involved surprised passers-by in dubious machinations. Without knowing people's phone numbers, they were called at a bus stop by a gangster demanding money. Using ultrasonic waves, the mobile phones could be remote-controlled and the video calls initiated.
An entertaining and technically innovative promotion action that was also possible despite Corona.
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