Advice and information about customer services and product management and prices on internet sites in connection with purchases made over the internet; Business operation of shopping centers for others; Comparison shopping services; Consulting in the field of sales methods, sales management, and sales improvement; Demonstration of goods and services by electronic means, also for the benefit of the so-called teleshopping and homeshopping services; Providing a website for connecting sellers with buyers; Provision of a web site featuring commercial information on shopping; Provision of information concerning commercial sales; Provision of space on websites for advertising goods and services; Sales management services