When board members quit unexpectedly like this it usually means they have discovered that the management is doing something unethical and they don't want to be held legally liable for it, which they would be if they stayed. This is likely a sign that we're going to see another scandal or two coming out of Groupon in the next few months, possibly one that tanks the company completely. Wall Street knows this, which is…
Besides the occasional unethical sales methods by some of its employees, were there any other scandals that I'm not aware of?
Actually, that is (in my mind) the biggest current one - the sales stuff is bad, but the accounting and operations stuff is Bad.