
1) Company listed on NASDAQ 2) Deal of the day website 3) Living Social alternative
Found on
https://www.crosswordclues.com/clue/groupon

Groupon (a portmanteau derived from `group coupon`) is a deal-of-the-day website that features discounted gift certificates usable at local or national companies. Groupon was launched in November 2008, and the first market for Groupon was Chicago, followed soon thereafter by Boston, New York City, and Toronto. By October 2010 Groupon served more.....
Found on
http://en.wikipedia.org/wiki/Groupon
No exact match found.