6 Seconds or 15 Seconds? Snap, Magna, IPG Media Lab Seek the Answer

What’s the difference between six seconds and 15 seconds? Snap Inc., Magna and IPG Media Lab fought the urge to reply, “nine seconds,” and instead examined responses to video ads of those lengths. Magna recruited more than 7,700 participants using both PCs and mobile devices, and they were then assigned platforms based on their media…
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