Information Systems: The e-Business Challenge Indisputable, e-Business is shaping the future inspiring a growing range of innovative business models. To bring it to the point: the Internet has redefined the way electronic business is performed. In an electronic supported business all relationships are transformed -may it be a seller-to buyer relationship or a an agency-to-citizen relationship. So for instance in commerce new business models incorporate various activities: promoting and communicating company and product information to a global user base; accepting orders and payments for goods and services; providing ongoing customer support; getting feedback and spurring collaboration for a new product development. There are several ways of further differentiating e-Business such as sketching some diversions on various levels: e-Commerce, e-Government; B2C, B2B, B2G, G2C; Customer Relationship Management, Business Intelligence and so on. Further distinctions may follow divergent criteria such as separating in business stages. Thus particular problem domains emerge. They all state of its own guiding the development of adequate information systems.