E-mail is becoming archaic as our Internet usage evolves. Users no longer log on and off, and constant connectivity demands more efficient modes of communication -- like Facebook and Twitter. "Thanks to Facebook, some questions can be answered without asking them," writes Jessica E. Vascellaro. "You don't need to ask a friend whether she has left work, if she has updated her public 'status' on the site telling the world so."
Published in Brief: