Described are computer implemented augmented reality techniques for public and private seminars that includes receive an indication of a start of a segment of a live presentation, the live presentation comprising at least one segment, with the at least one segment having at least one presentation component; receive information related to a plurality of users, receive rules to analyze the information and select from the information, private information pertaining to a particular user, with the selected information being relevant to the at least one presentation component of the at least one segment of the live presentation, generate an image that when rendered on a display device renders the private information pertaining to the particular user for that presentation component, and send the image of the private information to a device associated with the particular user.