1. A computer-controlled method for customization of an item or product, the method comprising: receiving data characterizing at least one physiological attribute of at least one person, the data characterizing said at least one physiological attribute being based at least in part on data generated by at least one sensor; determining a customized design for an item, the customized design based at least in part on the data characterizing said at least one physiological attribute; and providing the customized design to an item customization facility.