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jan 1, 2009 - 2009 Groupon offered its first group coupon for pizza
Description:
Subscribers purchase a deal that becomes available if a certain number of people sign up for the offer.
Added to timeline:
2 Oct 2018
1
0
174
timeline project
Landon Helm
Date:
jan 1, 2009
Now
~ 15 years ago
Images: