Follow your curiosity

What discovery has been shared with you?

FACTREE gives you something interesting to discover every day — and something worth talking about together.

Start with one fact. Explore it, go deeper, then follow whichever branch catches your imagination.

Choose subjects for a surprise

Exploring any topic

Begin your discovery

Your next discovery is one click away.

Choose one or more subjects above, or leave Any Topic selected and let curiosity decide.

Economics

The Legal Principles Behind Fair Use and Copyright Exceptions

Quick fact

Fair use is not a free pass: it's an affirmative defense that must be proven in court, and the outcome depends on a case-by-case balancing of four factors.

Why this is interesting

Have you ever quoted a song lyric in a YouTube video or used a meme in a presentation? What made that legal?