Have family demands. Not be able to come at traditional class times. Online resources can easily be shared quickly and accurately. Most online programs allow URLs pasted into the text of the message to be clickable. If the complete URL is included in a message to a group, any member of the group can click on it and access the resource.
Instructors can warn students about the cancellation beforehand.
Students who are more comfortable writing than speaking up in class may become more visible in online groups. These students will say things online that they might not otherwise share in the traditional classroom, usually because they have time to reflect and articulate. Communications can extend well beyond the physical limits of the classroom. Students from all over the world can join to discuss topics of common interest without regard to differences in time zones. Now is a good time to jot down some other benefits you might have thought of.