Abstract: A method includes identifying co-location with an organization, and a mobile device assuming a role of an affinity and/or loyalty card associated with the organization. The mobile device interacts with co-located equipment of the organization to facilitate a transaction.

Abstract: A method includes a mobile device identifying one or more coupons to point of sale equipment to facilitate the sale of merchandise, and affecting the coupon's value as a result of using the coupon in the sale of merchandise.

Abstract: A wireless service network includes logic to receive one or more requests for temporary dialable numbers from wireless devices, and logic to determine temporary wireless numbers and to provide the temporary wireless numbers to the wireless devices in response to the requests.

Abstract: A portable communication device includes logic to detect another device in wireless proximity, and to determine if a phone number for contacting the other device is stored by the portable communication device. If a phone number for contacting the other device is stored by the portable communication device, the portable communication device automatically initiates pairing with the other device.

Abstract: A mobile device wirelessly detects another device that is proximate. The mobile device provides to the other device identifications of which content from a particular content source is stored by the mobile device. The mobile device provides to the other device content from the particular source that is stored by the mobile device but not the other device, and receives from the other device content from the particular source that is stored by the other device but not by the mobile device, so that upon conclusion of an interaction between the mobile device and the other device, each device comprises all of the content from the particular content source originally comprised en toto between the two devices.

Abstract: A PIN server system interacts with one or more financial institutions to authenticate a mobile phone and-or a user thereof. The PIN server provides to the mobile phone one or more PIN numbers to use in financial transactions involving the one or more financial institutions, and also provides the one or more PIN numbers to the financial institutions in a manner that results in the one or more PIN numbers being associated with one or more accounts of the mobile phone user with the one or more financial institutions.