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Annotation and Collaboration

Piazza is a Q&A platform that lets students interact with classmates, perform edits on answers posted by other candidates, and participate in follow-up discussions.
Perusall is a social annotation LTI tool that integrates with Bruin Learn. Perusall enables students and their instructors to collaboratively annotate and comment on PDF articles, videos, webpages, and podcasts. provides an AI-powered discussion platform for engaging and assessing students in hybrid classrooms.
Hypothesis is a tool that enables students and teachers to annotate documents and hold conversations in the margins of digital texts.