It seems we’ve been communicating nonverbally for a very long time. A University of Arizona press release reports that “The necklace, nametag, earrings or uniform you chose to put on this morning might say more than you realize about your social status, job or some other aspect of your identity. Anthropologists say humans have been doing this—finding ways to communicate about themselves without the fuss of conversation—for millennia. But shell beads recovered from a cave in western Morocco, determined to…