For many years, Americans have had a holiday right after Thanksgiving that prompted a lot of buying. It is called Christmas. But it was a whole month away, and allegedly predicated on some non-retail themed historical event, so unto us a new ritual was born, known as Black Friday. It too has history; it’s the day when many retailers’ accounts move into the black. To mark this miraculous transformation, and to further erase the red ink, there are sales, and people go shopping. The marketplace has historically been a prime location for humans to socialize and swap ideas and make