The conference agenda may be divided into categories e.g. Lectures and Workshops. For every point of the agenda we may assign the speakers and place, e.g. room M110. Every user may tag an individual agenda item as favorite, set the own program of the conference. In Settings, the user may turn on the push notifications about the upcoming lecture (favorites or all).
Any participant may rate lectures (rate 1-5 and comment) as well as ask questions to the speaker.