2021-01-15 UTC
# 
@w3c ↩️ Others said it here or elsewhere: #Activitypub is a 2018 Standard.
"ActivityPub is a decentralized protocol providing a client-to-server API to create, update, delete content, & a federated server to server API to deliver notifications and content."
https://www.w3.org/TR/activitypub/ (twitter.com/_/status/1350050792649220097)