Business and marketing services for others by providing interactive websites for collection of consumer buying preference information that give consumers control over their personal assets information, and allowing customers to barter for rewards, in the nature of sweepstakes entries, or eligibility to participate in a third party's rewards plan; providing interactive websites allowing consumers to customize their e-commerce marketing experience by controlling what is being marketed to them and how; providing detailed and dynamic consumer demographic information to customers that allows them to offer more focused and targeted products and services to the marketplace