There are certain famous logos we encounter on a daily basis– Microsoft Windows’ window, Apple’s half-eaten apple, and so on. But if these logos were altered slightly, would you be able to tell the real from the fake? Well, here’s a neat little site that tests your memory of some of the most widely recognized logos. GuessTheLogo.com gives you a series of 10 timed questions in a variety of logo categories (web, tv, etc.). In each question, you are shown six variations of the same logo and asked to click on the image that shows the correct logo. For each question you answer correctly, you get a 5-second bonus. Answer incorrectly, and you lose 2 seconds. At the end of the 10 questions, you are given a score. You can then see how your score compares to others and have a chance to enter your name and ranking into the site’s Hall of Fame. Sounds easy enough, right? Here’s my score: 68.21%. Let’s see how you measure up. Good luck!