How the Internet Is Changing Human Living Memory

Do you remember your great-grandfather? I don’t.

My grandfathers were war heroes, insofar as heroics are concerned, in the last truly global conflict. But I wouldn’t know my great-grandfather if he came up behind me and tapped on my shoulder.

Until now, the human species has lived almost entirely in the present, completely unaware of our own family members’ lives only a generation or two removed. Our time-depth, as Carl Sagan put it, is pathetically, disturbingly shallow.