Few areas of communication are as least studied yet so universally critiqued as greeting cards. A handful of scientific research has been done over the years on why people send cards, what it means, who sends them and what THAT means, and whether this is somehow highbrow low cultural expression or low highbrow cultural expression. I’ll point to a few of these studies. The great ones, no doubt, are safely locked away in the bowels of Hallmark and other giants like Papyrus but