If you get a lot of email you will certainly appreciate the ability to pause your email so you can work on your email backlog without being interrupted by new messages.
In this set of visuals, graphic artist Gustavo Sousa uses the iconic Olympic rings to represent which continents have the most prisoners, HIV patients, McDonald's, and more. Naturally, the relative size of each ring correlates to the relevant data points. Would led to some great discussions with students.