Abstract: Embodiments consistent with the present invention enable multiple users to collectively make reservations for goods or services. One embodiment relates to a method of performing a collective reservation of one or more goods or services by a set of multiple users who are members of a communication context. The communication context may be established by the set of multiple users using instances of a client software application on electronic computing devices and a collective-reservation server. Reservations may be created for multiple sets of items by the multiple users. The reservations may be modified by the multiple users, and the items under a reservation may be purchased by the multiple users. Other embodiments, aspects and features are also disclosed.

Abstract: Embodiments consistent with the present invention enable multiple users, who are members of an associated communication context, to collectively purchase one or more goods or services. One embodiment relates to a method of performing a collective purchase of one or more items, which may be goods and/or services, by a set of multiple users. The one or more items to be purchased are recorded at a collective-purchasing server, and the record(s) of the one or more items may be associated with a reference to the communication context. A user may be authorized to add to, remove from, and modify the one or more items to be purchased by determining if the user is a member of the set of multiple users. Amounts are established that authorized users are to pay as part of the collective purchase. Other embodiments, aspects and features are also disclosed.

Abstract: One embodiment relates to a transaction system that allows one or more users to purchase or reserve goods or services using electronic computer interfaces and authorizes a receiving user to receive fulfillment of the goods or services. The membership of a shared communication context may be used to determine if the receiving user is authorized to receive fulfillment of the goods or services. Other embodiments, aspects and features are also disclosed.