Purchase history data from one or more sources, such as communication servers, websites, and point of sale systems, is used to determine items that were purchased. Item data for the purchased items is used to determine the characteristics of the items. A user interface is generated that presents at least a portion of the item characteristics, which may include images of items that have been provided with a complementary background color to provide the user interface with a uniform appearance. User input may select a portion of the items for inclusion in a user interface that is accessible to other users. The user may be notified if another user purchases an item using the user interface or after viewing the user interface. The user interface may include links that enable a user to initiate a purchase or navigate to a website associated with an item or seller.