The key difference is that intents are generic and resolved by the client based on the user's choice. So, instead of a "Share on Facebook" button, you would jus

The key difference is that intents are generic and resolved by the client based on the user's choice. So, instead of a "Share on Facebook" button, you would just put a "Share" button on your site. When clicked, the browser can fulfill the action using any site it knows about that implements sharing. It somehow asks the user which site to use.