The Surprising Secret of Synchronization [video]

The concept this video covers proably will not come to a surprise to some here. However, I didn't take any of the classes in college that would introduced this concept to me. Thus, in a failure to recognize that auto-play had been turned back on, again, I was one of today's lucky 10,000. Hopefully, some of you are as well.

1. https://xkcd.com/1053/