Yawning billboard makes everyone want a coffee
Everyone knows yawning is contagious, so it is no wonder we have seen it used as a marketing tool more than once. The Bye Bye Red Eye campaign, deployed at a South African airport, rewarded any yawning customers with a free cup of coffee. Now, the Contagious Billboard is a video ad, whose live action digital display has caused a yawning epidemic on a Sao Paulo subway platform.
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