Two's Complement: When Your Upvotes Overflow

The perfect bit manipulation joke doesn't exi-

Look at those upvote counts! One post has 64 upvotes, the other has -128. For the uninitiated, this is a brilliant reference to two's complement, the way computers represent negative numbers. In this notation, 64 is 01000000 in binary, while -128 is 10000000 - literally just flipping the most significant bit. It's the kind of subtle joke that makes CS professors snort coffee through their noses while everyone else wonders what's so funny.