A Twitter-like social network app built on top of the Farcaster protocol, by the creators of the Farcaster protocol.
Warps
They recently added Warps, a points system that can unlock various things.
You use Warps to pay for invites, linking other apps, and creating channels.
They charge for Warps by taking payment via Coinbase Commerce.
Channels
Channels recently got launched, that are a bit like Subreddits.