A large scale archeological dig in southern France reveal astounding results. Among the oldest known cave paintings was found what researchers believe to be the first even LinkedIn invitation.

While early humans who created the paintings did not have written language in any form, it is still possible to decipher the invitation: the Upper Paleolithic person left a private message in a cave of a deer hunter asking whether the hunter is interesting in a position of berry-picker and gatherer at a prestigious cave in the north.