Because copyright is such a bad fit for the Net and because Fair Use is so vague, we need to nail down how copyright and Fair Use apply, and we need to do so in ways that permit the best uses of the Net to continue, despite the fear-based reaction of those who think they deserve to have complete and perpetual control over every use of every snippet of what they create.
https://ting.com/blog/make-use-of-fair-use/