A method to facilitate pre-ordering of an offering via a network-based transaction facility includes, responsive to user identification of an offering, communicating offering information to the user regarding the offering. In conjunction with the offering information, a selectable option is communicated...http://www.google.com.hk/patents/US20020099642?utm_source=gb-gplus-share專利 US20020099642 - Method and system to facilitate pre-ordering via an electronic commerce facility, and to automatically facilitate satisfying of a pre-order upon listing of an appropriate offer via the electronic commerce facility