**There are only 10 types of people...**

**If you're a geek, you'll understand this apparently nonsensical statement, while non-geeks will just look at you with puzzled faces: There are only 10 types of people in the world: Those who understand binary and those who don't.
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Please also see our top-selling version of this slogan, There are 10 kinds of people: Those who understand binary and those who don't.**

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