UO and early WoW were social experiments on how videogame economy was more real life like than any game designer wished, they had to make lots of adjustments to mimick inflation and supply and demand behavior

When I was a kid I thought I was the man but finding exploits such as hovering the mouse over the thief to make him go slow, allowing the police to show up.

My friends found an exploit on the N64 Goldeneye multiplayer. The spawn locations seem random but they are not. They memorized it and were spawn camping before the term came to existence.