Groupon are trying their best to do a Woot-funny quirky tone of voice still, but just like their superbowl ads, which were pulled off the air, their twitter jokes are offending a whole bunch of people. The joke:
Medical sedatives are no match for the world's greatest sleep aid: depression.
had people complaining in the comments (and by extension, on their facebook pages - propelling the negative reaction) about Groupon's jokes at once. It has now been removed.