system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Magnet torrent links.  What are they?

What are they and how do they differ from regular torrent links?  How are they better or worse for the future of torrents?
gpt
A magnet torrent link is a unique set of numbers and letters that describe a specific file, like a fingerprint. Torrent clients can use this fingerprint to ask other clients if they have a file with the same fingerprint. If they do, they can send it from them (peer) to you (peer).