Copyright can be tricky to navigate. The fair use exception can be particularly misleading because we often assume it's synonymous with "in the clear." Basically, fair use allows for the unlicensed use of copyrighted works in some circumstances. The fair use doctrine is a legal framework (like the ones here or here ) used by the courts to evaluate whether some unlicensed use of copyrighted material should be permitted or not. But it's crucial to recognize that fair use isn't clear cut rules. It's a complex set of case laws that are used to decide where and when the courts ruled cases as copyright infringement or not. These determinations are then used to put together guidelines like the one at Stanford , so students and teachers can refer to them and decide if something is fair use. Following the guidelines doesn't necessarily guarantee you are in the safe zone, though. Going to court and winning is the only way to prove that. These topics bring up so...