https://www.w3.org/TR/annotation-model/
Web Annotation Data Model
web annotationdatamodel
https://www.w3.org/TR/annotation-vocab/
Web Annotation Vocabulary
web annotationvocabulary
https://scholars.duke.edu/publication/1639541
Scholars@Duke publication: Web Annotation as Conversation and Interruption
web annotationscholarsdukepublicationconversation
https://chromewebstore.google.com/detail/screenity-screen-recorder/kbbdabhdfibnancpjfhlkhafgdilcnji
Screenity - Screen Recorder & Annotation Tool - Chrome Web Store
The free and privacy-friendly screen recorder for everyone. Capture, annotate, edit videos and more - all with no sign in needed.
screen recorderannotation toolscreenitychromeweb