Do you (What)Pulse?
WhatPulse is a neat little app for stat lovers. What it does is track how often you type or click your mouse and even the total distance you've moved your mouse. It also supports multiple computer so after a few months, you have an idea of what computers or what operating systems you use most often. Being called a Mac fanboy? Well, you have cold hard stats you use Windows/Mac 50/50. :)
The stats go a bit deeper than just that too. It can tell you your most frequently used keys (my top two are spacebar and the E key) and even generate a heat map of your most used keys for your keyboard.
Already a user? Join The Verge team and get pulsing!