The relatively new and shocking phenomenon of when you meet someone through Facebook, sometimes from all over the world, and you find out that you went to school (elementary, Jr. High, High School, etc) with them, or they are friends of your parents from many years ago, or they worked with you at job in the past, and you never knew it, and would never have met them without Facebook. And, then they become a good friend. Basically, the beauty of Facebook.

When you eat dirt for the first time and leave your family to build a shack in the woods