You’ve Got Mail. Is it Full of Lies?

E-mail was a novelty when Kathleen Kelly (Meg Ryan) logged on to her laptop in the opening scene of the 1998 hit romantic comedy “You’ve Got Mail.” A mere decade later, e-mail is a cornerstone of modern communications. But a growing body of research suggests we’ve yet to adapt our social behaviors to fit with an era where every message we send is next to impossible to digitally erase.