1. A smart card comprising: a first plurality of sectors wherein each sector includes a set of transaction processing electronics for performing account transactions in a manner independently operable from every other of said sectors; said first plurality of sectors being configured such that a user of the smart card can select a first account in a first sector of the first plurality of sectors by inserting the smart card into a smart card reader with the smart card having a first orientation relative to the smart card reader; and said first plurality of sectors being configured such that the user of the smart card can select a second account in a second sector of the first plurality of sectors by inserting the smart card into the smart card reader with the smart card having a second orientation relative to the smart card reader, the second orientation being different than the first orientation.