1. A computer-implemented method of providing interactive online sessions for presenting art objects, the method comprising: providing remote access to a user to participate remotely in an online session of a first type; creating the online session of the first type; causing a remote displaying, under control of at least one session leader of the online session of the first type, a number of images of a plurality of art objects to the user during the online session of the first type; electronically receiving an indication of interest of the user to participate in an online session of a second type based on an interest of the user in one of the art objects; creating the online session of the second type; and providing remote access to the user to participate remotely, under control of at least one session leader of the online session of the second type, in the online session of the second type which is restricted to particular users.