This in-depth tutorial demonstrates how to implement GitHub social login using AWS Amplify Gen 2 and AWS Cognito. The video covers OAuth 2.0 flow, setting up an OIDC provider, configuring AWS services like API Gateway and Lambda functions, and creating a Next.js frontend. It provides a comprehensive guide to building a secure authentication system with GitHub integration, explaining concepts like user pools, hosted UI, and token management. The tutorial showcases how to use AWS Amplify's new code-first approach to create backend infrastructure and connect it seamlessly with a React-based frontend.