A web shop, or an electronic Internet-based selling point, may bring several benefits to small and medium-sized enterprises. During the development and maintenance of a web shop several aspects like content, commitment, community and control have to be considered thoroughly and have to be worked out in detail. This course offers general clues about the way to programme a web shop and to set up a commercial web site on the Internet. Web shops may be part of individual web sites, portals or communities. Companies need a well-designed marketing strategy to be successful in bringing their e-commerce activities to the attention of the target groups.