9 Computer apparatus, namely, handheld, mobile and wearable computers, and controllers for devices, namely, onboard electronic computer controllers used to customize and design the functionalities and features of land, air or water vehicles; computer operating programs, recorded; computer programs in the nature of downloadable software for use in customizing and designing products, featuring software for generating dynamic, rules- or constraints-based user interfaces (UIs), product visualizations in the nature of viewing and manipulating digital images of objects, price calculations, performance numbers, sizes, delivery conditions or crossover restrictions of product options which can be used for visual web product configurators or customized, personalized web front ends; computer software, namely, software based product configurators to configure the functionalities and features of a core product for the purpose of advertising, offering innovating, selling, producing and surveying