Dick Pics

Arguably, dick pics are what helped Trump defeat Clinton in the recent election (Anthony Weiner's dick pics resulted in the FBI re-opening Clinton's email investigation just days before the election).

I've always been intrigued as to why dudes send dick pics as often as they do. Here's one explanation by the guy who does the Dilbert cartoons:

http://blog.dilbert.com/post/1539569...pics-explained

For those that send dick pics, your thoughts?