The late media theorist Marshall McLuhan would say the Internet is an extension of our central nervous systems.

This was evident in interviews with college students about their online lives in Sherry Turkle’s book “Life on the Screen.”

One of the most striking observations in Turkle’s findings was a quote from one multitasking student who preferred the online world to the face-to-face world. “Real life,” he said, “is just one more window.”