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You can have students discuss a digital text in marginalia! Social annotation apps like and Perusall allow students to discuss PDF texts, websites, and even video asynchronously, by commenting on passages or points on a playtrack, and replying to each others’ comments. installed in a D2L course. installed in a D2L course.

This can be an improvement on the asynchronous discussion, because conversation happens at the site of the passage or point in a video. This spring, two options for this will be available in D2L: and Perusall. is more appropriate for having students comment on web page-based content, while Perusall allows students to comment on videos. Both can handle .pdf-based texts.

If you’d like to try these out in your classes, contact the Center for Online Learning & Innovation for details.