The fundamentals:

You can move between any client to use any feature with your nsec

No single client owns your profile, you own it and it moves with you

You control what relays you read from and no single central relay owns the network

There is no algo to manipulate you

Nostr is permissionless and censorship resistant, you can't be banned

There is now a bitcoin payment layer built into the social layer

Nostr is a global social payment network

without kyc or perosonally identifying info

Anyone in the world can create a profile and immediatley receive bitcoin payments

Nostr is onboarding bitcoin adaption by focusing on value for value by zapping content rather than just likes