During the main lectures, we generally try to minimize interruptions from questions only interest a small fraction of the audience and ensure the lectures end on time. Instead, two afternoons of each week will have dedicated Q&A sessions where lecturers will answer questions about the lectures. The questions can be submitted online in advance using the link to Google Doc forms linked to each lecture on Indico agenda, or raised during Q&A session live. The questions submitted online can be anonymous, as that has been a popular form of entry. Since not all lectures have dedicated Q&A sessions to follow with lecturers still present, the online form also allow lecturers to continue to answer questions even after their departure.