Stanford tutors taught a class, attended by 175 students in situ - and over 150,000 via an interactive webcast. Key learnings included: invite students to comment in online fora; don't leave the videos online, but run the class at a set time; emulate the one-on-one experience as far as possible.
The 52:52:52 project, launching on this site and on social media in 2025, will help you address 52 issues with 52 responses over 52 weeks.