Customers Love Free Stuff … But That’s Not Your Problem
abovethecrowd.com
JUNE 2, 2021
Paypal famously offered customers $5 to invite a friend, who would then also get $5 as part of a highly successful viral marketing campaign (they actually started at $20, and then reduced it to $10 and then ended at $5). Also, take a look at this critically important data point , also aggregated by Professor Jay Ritter.
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