Creative thinking and an ability to intelligently work out solutions to complicated problems is one of the main things that sets us apart from the animals... or, so I've been told, I've honestly never seen anyone demonstrating this kind of critical thinking in my personal life.
However, one place that is a hive of intelligent people putting their minds to complicated tasks and working together to figure them out is the internet. Well, that and pictures of cats, people doing stupid viral challenges, and people generally hurting themselves... however, all of that aside, please allow me to present to you 17+ people who figured it all out!