Fist Bump Follies

First this. Then this. And, of course, this. Now the Sun-Times makes a play for a Pulitzer with this groundbreaking investigative report. According to the Sun Times, "So far, executives say, it is exchanged almost exclusively among male business associates who are otherwise friends, or in informal settings such as the end of a golf round. Fist bumping, or two people tapping fists lightly, has a long way to go to unseat the handshake, a gesture that goes back to medieval times when opponents used it to indicate that they were friendly and unarmed." Jeez, does nobody high five anymore?