GREENSBORO, N.C. — Ever notice two people talking, laughing, and enjoying the conversation to find out that they don't really know each other? That they're practically strangers. That's what ...

As the two talk, they move around different parts of ... The intimacy draws us in, as if we might know these people. At the same time, we also understand that we’ll never know these people.

"If you ask someone what communication is, almost everyone will say two people talking face to face," Lenny Shedletsky, professor of communication at the University of Southern Maine, told Newsweek.