If you have a special interest in something and you want to share that interest on nostr, and someone in nostr knows that to be the case, you could get that person to do a contextual endorsement of you in that topic, on your profile at brainstorm.ninja . Then others with that same interest will be able to find you. And using Content Discovery, you’ll be able to find them too! 

 is this real? 

 Yup