A system for facilitating aggregate shopping is disclosed. The system
comprises (a) a database server system being for maintaining at least one
shoppers group, the at least one shoppers group being characterized by a
designated product and conditions for purchasing the designated product;
and (b) a plurality of user clients, being at a disposal of a plurality of
users and being capable of communicating with the database server system,
each of the plurality of user clients being for enabling a respective user
thereof to join the at least one shoppers group, such that a user of the
plurality of users is entitled to purchase the designated product under
the conditions for purchasing the designated product upon joining the at
least one shoppers group.
