You don't pay, you gain money. Unless, of course, you're a company that wants to buy advertising space.
As a user (writer/curator), you earn tokens for doing what you already do for free in reddit or facebook. The tokens you earn are like altcoins, you can trade them for whatever you like.
As a user (writer/curator), you earn tokens for doing what you already do for free in reddit or facebook. The tokens you earn are like altcoins, you can trade them for whatever you like.