Branch has been already pretty open. Anyone could ask for joining an existing conversation to get an invite.

Now, it is completely open. You can go there and start generating new conversation with friends and social contacts.

The company has also added loads of new features to make it a great platform for a quick conversation about any topic imaginable:

1. Users can now highlight content in existing posts and comment on them.
2. You get access to an activity feed to see the updates on branches you are following.
3. Branch encourages you to use casual language to start and participate in branches.
4. Integration support for SoundCloud and Spotify.

If you are still confused about what Branch is… Think of it as a more open Quora!