when you have connected a lightning wallet you can send btc to the one who had posted the note. That is „zapping“.

Just attaches some monetary value to a note.

So let’s say I value this note, I’d zap it, you’d receive sats.

It’s like a free market for speech and content. In theory it promotes the creation of good content or just content folks value X amount of sats worth.

Or you could just be a popular profile and people zap you for just posting pointless things 😆 That happens too. Popular profiles say “GM 🤙” and folks zap 10k sats for it. So dumb 🤦‍♂️

You recieve money.

That's called 'value for value' or v4v

That's why you don't see any ads. People recieve money for good content, so they can monetize without consent from 3rd party.

Also it incentives people to produce good, usefull content.