WebSub provides a common mechanism for communication between publishers of any kind of Web content and their subscribers, based on HTTP web hooks. Subscription requests are relayed through hubs, which validate and verify the request. Hubs then distribute new and updated content to subscribers when it becomes available. WebSub was previously known as PubSubHubbub.| www.w3.org
This is not a dumb question, but we’re dumb to not answer it! The tech crowd is often very arrogant. Sometimes, we’re so arrogant that we expect everyone to understand (and care) about technical details. We do that so much that we use…| ouvre-boite.com
The ActivityPub protocol is a decentralized social networking protocol based upon the [ActivityStreams] 2.0 data format. It provides a client to server API for creating, updating and deleting content, as well as a federated server to server API for delivering notifications and content.| www.w3.org