In this tutorial, we'll dive into adding PubSub functionality to your GraphQL Apollo Server to enable real-time updates. You’ll learn how to implement a publish and subscribe mechanism for new link creation and explore additional features like voting.

What You’ll Learn:
Integrate PubSub with your GraphQL Apollo Server
Publish and subscribe to real-time events
Test PubSub functionality in GraphQL Playground
Add and practice a voting feature using PubSub

By the end of this video, you'll be able to add real-time capabilities to your GraphQL server and enhance your application's interactivity.

Timestamps:
(00:00) Intro
(00:58) Add PubSub to GraphQL Apollo Server
(02:20) Test PubSub in GraphQL Playground
(03:11) Practice Adding a Voting Feature
(07:34) Outro

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Code: https://github.com/EricTechPro/react-apollo-demo/tree/a0f38c0350e841c890207635817672e6ad23cbc3/server