A disposition system in combination with an online social networking system, the social networking system including user communication devices, personal computing devices connected in a network comprising a server or servers hosting dedicated control software of which method steps are executed by a processor so as to access a database of user profile data of users to operate the said social networking system, the system, during a registration step, providing the users an opt-in, permission and/or preferences selection device such as a drop-down menu, enabling users to provide permission (a) to have a recommendation contact engine compare and share their user data such as user characteristics and preferences with those of other users for which matches on the compared and sharable user data are determined, and (b) based on matching criteria, to be contacted via the recommendation contact engine, wherein the social networking system is adapted to contact users identified by the recommendation contact engine as having common interests and invite such users to a meeting, the social networking system further adapted to propose times and/or locations for such suggested meetings, and to register user-indicated-suitable-dates for such meeting based on decision criteria, and wherein, once an engagement such as a virtual or physical face to face meeting between two recommended users is commenced, the social networking system is adapted to provide engaging users with a user communication device such as a display adapted to indicate to the users what the matching user characteristics are, thereby facilitating identification of common interests between users during an engagement between users, the disposition system further comprising disposition devices (12, 14, 16) such as seating, standing supports and/or counter/table arrangements adapted to dispose at least two persons face to face, a guiding system guiding relative movement of at least one person of the at least two persons to place the at least one person so as to successively face one of the at least one remaining persons for a desired time period, wherein transport of a user is controlled by a controller, and wherein the controller reads inputs of presence or weight sensors (1502, 1602) associated with the disposition devices (12, 14, 16) to ensure that users disposed on the fixed and translatable seats, standing supports and/or counter/table arrangements are matched with each other for a time period. (a) to have a recommendation contact engine compare and share their user data such as user characteristics and preferences with those of other users for which matches on the compared and sharable user data are determined, and (b) based on matching criteria, to be contacted via the recommendation contact engine, wherein the social networking system is adapted to contact users identified by the recommendation contact engine as having common interests and invite such users to a meeting, the social networking system further adapted to propose times and/or locations for such suggested meetings, and to register user-indicated-suitable-dates for such meeting based on decision criteria, and wherein, once an engagement such as a virtual or physical face to face meeting between two recommended users is commenced, the social networking system is adapted to provide engaging users with a user communication device such as a display adapted to indicate to the users what the matching user characteristics are, thereby facilitating identification of common interests between users during an engagement between users, the disposition system further comprising disposition devices (12, 14, 16) such as seating, standing supports and/or counter/table arrangements adapted to dispose at least two persons face to face, a guiding system guiding relative movement of at least one person of the at least two persons to place the at least one person so as to successively face one of the at least one remaining persons for a desired time period, wherein transport of a user is controlled by a controller, and wherein the controller reads inputs of presence or weight sensors (1502, 1602) associated with the disposition devices (12, 14, 16) to ensure that users disposed on the fixed and translatable seats, standing supports and/or counter/table arrangements are matched with each other for a time period.