1. A system for communication among a plurality of users at a respective plurality of computing appliances each of which is associated as team members of at least one respective team, the system comprising: (a) at least one local communication means for use by at least one local team member, and conveying data to and from the at least one local team member; (b) at least one other communication means for use by at least one other team member, and conveying data to and from the at least one other team member; (c) gateway means for conveying data between said at least one local communication means and said at least one other communication means for use by at least one other team member; (d) network means linking said at least one local communication means, and, said at least one other communication means, and enabling the conveyance of the data; (e) conference apparatus for coupling voice communications between said at least one local communication means and said at least one other communication means; (f) respective display apparatus providing a display of a display image of display image data, for viewing at the computing appliance at said at least one local communication means, and at the computing appliance at said at least one other communication means; (g) respective display apparatus providing a display of a display image of display image data, for viewing at the computing appliance of said at least one other communication means; (h) input means providing annotation data responsive to and associated with a respective user input of annotations made relative to viewing the display of the common base image at the respective display apparatus, at the computing appliance of each of said at least one local communication means and said at least one other communication means; (i) storage means, storing the annotation data as associated with the respective user making the input of that said annotation data at each of said at least one local communication means and said at least one other communication means; (j) selection means, permitting selection of annotations as selected annotations, to provide for selection as to which of the annotation data is selected annotation data; and (k) display logic providing a combined display presentation at each of the respective display apparatus, providing the combined display presentation responsive to the display image data and to the selected annotation data.