 Providing both interfaces simultaneously is an option, but in turn this requires greatly extended development time, and so trade-offs are often made.SAP and Oracle are well known enterprise systems which often require a complex set of training in order to gain professional certification.Because of this, and also to encourage engagement with the systems, many companies have created a "Super User Model" (also called Power User, Champion) in order to take regular users and raise them to a level of leadership within the system.