Amazon CloudFront is a fast content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency, high transfer speeds.
Amazon Cognito lets you add user sign-up, sign-in, and access control to your web and mobile apps. Amazon Cognito supports sign-in with social identity providers, such as Apple, Facebook, Google, and Amazon, and enterprise identity providers via SAML 2.0 and OpenID Connect.
Open Graph is a protocol that is used to integrate any web page into the social graph.