1. The Business Scene -- 1.1. The Changing Business Environment -- 1.2. Rise of the Computer Culture -- 1.3. The Information Investment -- 1.4. Summary -- References -- 2. Enhanced Systems -- 2.1. General Features -- 2.2. Enhanced Business Applications -- 2.3. Impact on Data Processing -- 2.4. Summary -- References -- 3. Computer Options -- 3.1. System Characteristics -- 3.2. Configurations -- 3.3. Architecture -- 3.4. The Art of Obfuscation -- 3.5. Summary -- References -- 4. The Workbench -- 4.1. Equipment Features -- 4.2. Limited-Intelligence Terminals -- 4.3. Microprocessors -- 4.4. Computer Telephones -- 4.5. Picture and Video Terminals -- 4.6. Public Access Terminals -- 4.7. Developing a Corporate Policy for Enhanced Terminals -- 4.8. Summary -- References -- 5. Connectivity -- 5.1. Communications -- 5.2. Storage and Transmission -- 5.3. Summary -- References -- 6. Communications Services -- 6.1. Some Terminology -- 6.2. Public Systems -- 6.3. Private Systems -- 6.4. Summary -- References -- 7. The Path to Applications -- 7.1. Gateways -- 7.2. Code of Practice: Gateways -- 7.3. Open Network Architecture -- 7.4. Hypothetical Enhanced Service Offering -- 7.5. Summary -- References -- 8. Software -- 8.1. Classifying Software -- 8.2. Functions -- 8.3. Software Products -- 8.4. Authoring Software -- 8.5. Selecting Software and Living with the Decision -- 8.6. Summary -- References -- 9. Laying the Groundwork -- 9.1. Selling the System -- 9.2. Nurturing Expectations -- 9.3. Economic Realities -- 9.4. Staffing Considerations -- 9.5. Summary -- References -- 10. Planning and Producing the Infobase: Part 1 -- 10.1. An Example of a Focused Infobase -- 10.2. Developing Quasi Standards -- 10.3. Planning and Designing the Infobase -- 10.4. Summary -- References -- 11. Planning and Producing the Infobase: Part 2 -- 11.1. Preproduction -- 11.2. Production -- 11.3. Reviewing and Editing -- 11.4. Record Keeping -- 11.5. Auditing and Rejuvenating the System -- 11.6. Summary -- References -- 12. Survey of Enhanced Information Systems -- 12.1. Mail Survey -- 12.2. Orientation and Objectives -- 12.3 Technology -- 12.4. Design and Implementation -- 12.5. Problems, Pitfalls, and Complaints -- 12.6. Evolution and Impact -- 12.7. Summary -- 13. Cases: Implementing Operational Systems -- 13.1 Clark Distribution Services, Inc.: Clark Net II -- 13.2. National Library of Medicine -- 14. Cases: Implementing Strategic Systems -- 14.1. E.I. Du Pont De Nemours and Company -- 14.2. Fort Worth Star-Telegram-Startext -- 14.3. Ford Motor Company -- 14.4. AMR Corporation-EAASY SABRE -- 15. Cases: Public Access Terminals -- 15.1. Franklin Institute Science Museum-Unisystem -- 15.2. General Motors Corporation: The Town Crier -- 15.3. Merck & Company-Heartfelt Advice -- Appendix A. Survey of Enhanced Information Systems -- Appendix B. Acronyms and Abbreviations -- Appendix C. Glossary.