44. The method of claim 29 wherein the providing of the information identifying the user-defined first group of multiple items to the user is performed in response to determining that the user-defined group satisfies one or more search criteria specified by the user, the one or more search criteria including an indication of at least one of the determined one or more first categories for the user-defined group.
47. The method of claim 44 wherein the one or more search criteria that the user-defined group satisfies relate to demographic information about an intended recipient.