In the early 2000s, the Wild West era of the internet, a browser-based prank emerged that would become one of the most recognizable pieces of internet folklore. Known as the , it wasn't a virus in the traditional sense—meaning it didn't steal your passwords or delete your files—but it was a masterclass in psychological warfare and browser exploitation .

While technically a or a simple browser prank , it felt like a virus because of its persistence. If a user tried to close the window, the JavaScript would trigger a command to open several more windows in its place.

These windows would then "bounce" around the user's screen like a game of Pong. If you tried to use the "Alt+F4" shortcut or click the "X," the cycle would continue until your computer's RAM was completely overwhelmed, eventually causing the system to crash or freeze. For a user in 2002, this felt like their computer had been hijacked by malicious code. The Anatomy of the Prank

A repetitive, grating jingle designed to annoy and panic the user.

(Ctrl+Shift+Esc on Windows) to kill the browser process if a site ever "locks" your screen.

However, it serves as a great reminder of basic cyber hygiene: sent via unsolicited messages.