1. A method of sharing resources of a single mobile device among a plurality of users, the method comprising: for each of a plurality of users of a single mobile device: detecting an identifier associated with each user; establishing a memory partition in a storage memory of the mobile device and associating the memory partition with the detected identifier of each user, wherein the memory partition is a subset of the available storage memory in the mobile device; and storing digital data associated with each user in the associated memory partition; allowing access of a user of the mobile device to digital data stored in the memory partition associated with the user; and denying access of a user of the mobile device to digital data stored in memory partitions that are not associated with the user.