They launched their IPO while marginal revenue was still solidly negative; published a bunch of non-standard metrics; and the founders and early investors took

They launched their IPO while marginal revenue was still solidly negative; published a bunch of non-standard metrics; and the founders and early investors took out 80% of the money raised even before the IPO. https://en.m.wikipedia.org/wiki/Groupon#Initial_public_offering https://en.m.wikipedia.org/wiki/Groupon#Initial_public_offer...