Live from React Europe (no replay yet):
Read:
Write:
Subscribe:
Subscription payload:
Supports:
- Throttling
- Batching
- Logging & debugging
- GraphiQL
Facebook use-cases:
- Live likes & comments
- Sports updates
- Message being typed
Edit: This was new to me (and was presented as something new), but is actually old news: http://graphql.org/blog/subscriptions-in-graphql-and-relay/