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, three afternoons during the SSI 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 form below, 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.