Ever wonder how fast you're spinning around the imaginary rod connecting the North and South Poles? Wonder no more. By finding your location on this map and searching for where your line of latitude intersects with the bold, black curve, you can determine the speed at which you're currently zipping around Earth's axis.
"I was initially going to make the graphic for Mars," planetary geologist Seth Kadish tells io9, " but people always enjoy a data visualization more when they can relate it to themselves. As no one lives on Mars (yet), I opted to use the Earth."