We all know what Black Friday is: in the U.S. it’s the madcap discount-driven shopping day after Thanksgiving that usually ends up with some kind of mayhem. Ask anyone these days what Black Friday means, and they’ll usually say it represents the day when retailers’ annual profit moves from red (a loss) to black (a gain,) due to this rush of maniacal shopping. The past few years an alternative theory about the origins of Black Friday suggested it’s linked to… Read more »