Visa-free Access: Who Has The Best Passport?

Having to get a visa is a hassle - just ask anyone who has gone through the process.  Likewise, being able to travel into and out of countries without a visa is a real benefit.  Who then, has the "best" passport?  Which country offers its citizens the most possibilities for visa-free travel?  The answers, in the infographic below (from Movehub), are interesting (H/T to Jeremy!):