1. A system for collaboration, comprising: a plurality of computing appliances each for use by each of a respective user of a plurality of users; storage comprising non-transitory storage media providing data storage; wherein each said storage provides associatively mapped storage of respective user data associated with a respective display for a respective user of the plurality of users; wherein said storage stores respective user data that is representative of a respective display of annotations responsive to a user input by the respective user; wherein the user data is comprised of event content data for respective events generated in a defined order of entry relative to other of the events, responsive to the input by the respective user; wherein the event content data is representative of a unique event, for each input by the respective user; mapping logic defining a mapping of the event content to said storage as associatively mapped to the respective user associated with the respective said event; view control logic selecting a plurality of the events as a selected set of events for viewing; presentation assembly logic, selectively retrieving respective said event content data for said events in the selected set, from said storage, responsive to the mapping logic, and generating presentation data responsive to processing the event content data for said events in the selected set, in a defined order responsive to other of the events in the selected set; and display apparatus providing a presentation responsive to the presentation data.