Patent ID: 8750472

Claim:
A method comprising: in an online conference session involving a presenter at an endpoint device and a plurality of attendees at respective endpoint devices, on a periodic basis capturing screenshots of content displayed at the endpoint device of the presenter and content displayed at the endpoint devices of each of the attendees; storing first data representing screenshots of content displayed at the endpoint device of the presenter and of content displayed at the endpoint devices of each of the attendees for each screenshot capture instance; for a given screenshot capture instance, first comparing content displayed at the endpoint device of the presenter with content displayed at the endpoint devices of each of the attendees; storing second data representing captured screenshots at each of a plurality of screenshot capture instances at the endpoint device for each attendee during the conference session; for each attendee, second comparing content displayed at each of the plurality of screenshot capture instances with content displayed at the endpoint device of the presenter; and generating an attention metric for one or more attendees based on the first comparing and second comparing.