| WEB 2.0 AND THE HEALTH CARE MARKET | 1 |
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| TABLE OF CONTENTS | 3 |
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| LIST OF TABLES | 6 |
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| LIST OF FIGURES | 7 |
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| LIST OF APPENDICES | 9 |
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| LIST OF ABBREVIATIONS | 10 |
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| 1. INTRODUCTION | 13 |
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| 1.1 OVERALL AIM OF THE STUDY | 14 |
| 1.2 EXPECTATIONS | 14 |
| 1.3 INTRODUCTION TO THE TOPIC OF THE STUDY | 15 |
| 2. WEB 2.0 | 21 |
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| 2.1 WHAT IS WEB 2.0? | 23 |
| 2.2 PRINCIPLES OF WEB 2.0 | 25 |
| 2.3 SELECTED TECHNOLOGIES SUPPORTING WEB 2.0 | 36 |
| 2.4 TYPICAL WEB 2.0 APPLICATIONS AND SERVICES | 40 |
| 2.4.1 BLOGS | 41 |
| 2.4.2 SOCIAL COMMUNITIES | 41 |
| 44 | 41 |
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| 2.4.3 POD- | 41 |
| 49 | 41 |
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| 2.4.4 WIKIS | 50 |
| 2.4.5 SOCIAL BOOKMARKING | 50 |
| 51 | 50 |
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| 2.4.6 (CARTOGRAPHIC) MASH-UPS | 54 |
| 2.4.7 VIRTUAL WORLDS | 55 |
| 2.5 CURRENT TRENDS CONCERNING THE USE OF WEB 2.0 | 55 |
| 56 | 55 |
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| 3. THE HEALTH CARE MARKET | 61 |
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| 3.1 TOWARDS A | 61 |
| 3.1 TOWARDS A | 61 |
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| 61 | 61 |
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| 3.2 DEFINITION AND CLASSIFICATION: HEALTH, HEALTH SYSTEMS, AND THE HEALTH CARE MARKET | 64 |
| 3.3 SCOPE OF THE HEALTH CARE MARKET | 68 |
| 3.4 STATUS QUO OF THE HEALTH CARE MARKET | 70 |
| 3.5 INFLUENCE FACTORS OF THE HEALTH CARE MARKET | 75 |
| 3.6 FUTURE DEVELOPMENT OF THE HEALTH CARE MARKET | 79 |
| 4. INTRODUCING WEB 2.0 TO THE FIELD OF HEALTH CARE | 85 |
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| 4.1 VIRTUALIZATION OF THE HEALTH CARE MARKET | 86 |
| 4.2 WEB 2.0 IN THE REALM OF EHEALTH | 87 |
| 4.3 TERMS: MEDICINE 2.0 AND HEALTH 2.0 | 90 |
| 5. HOW PATIENTS CAN BENEFIT FROM WEB 2.0 APPLICATIONS | 93 |
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| 5.1 COPING WITH A DISEASE: PATIENT BLOGS | 94 |
| 5.2 WHAT DO OTHERS THINK: PATIENT COMMUNITIES | 94 |
| 96 | 94 |
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| 5.3 BECOMING EDUCATED VIA HEALTH-RELATED | 94 |
| 100 | 94 |
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| 5.4 IN SEARCH OF INFORMATION: WIKIS FOR PATIENTS | 102 |
| 5.5 WHERE TO FIND RELIABLE INFORMATION? SOCIAL BOOKMARKING | 102 |
| 104 | 102 |
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| 5.6 RECEIVING INFORMATION, EDUCATION AND PROMOTION: STROLLING IN VIRTUAL WORLDS | 107 |
| 5.7 A HOLISTIC APPROACH: HEALTH PORTALS | 110 |
| 5.8 EPHRS: THE CASE OF GOOGLE HEALTH | 110 |
| 114 | 110 |
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| 6. HOW HEALTH CARE PROVIDERS CAN BENEFIT FROM WEB 2.0 APPLICATIONS | 116 |
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| 6.1 PROPAGATION OF INFORMATION | 116 |
| 117 | 116 |
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| 6.2 EXCHANGING PROFESSIONAL EXPERIENCES: MEDICAL COMMUNITIES | 116 |
| 120 | 116 |
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| 6.3 COLLABORATION | 116 |
| 6.3 COLLABORATION | 116 |
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| 126 | 116 |
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| 7. HOW HEALTH PAYER CAN BENEFIT FROM WEB 2.0 APPLICATIONS | 129 |
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| 7.1 BRANDING, MARKETING AND INFORMATION: BLOGS | 129 |
| 132 | 129 |
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| 7.2 EDUCATING AND INFORMING CUSTOMERS: POD- / VODCASTS | 129 |
| 133 | 129 |
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| 8. NET GAINS: ADVANTAGES OUTWEIGHING DISADVANTAGES? | 135 |
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| 8.1 ADVANTAGES: DRAWING BENEFITS FROM THE USE OF WEB 2.0 IN HEALTH CARE | 135 |
| 8.2 THE DOWNSIDE: IDENTIFYING GENERAL DISADVANTAGES OF WEB 2.0 IN HEALTH CARE | 144 |
| 9. THE LEGAL FRAMEWORK FOR WEB 2.0 IN HEALTH CARE | 150 |
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| 9.1 COPYRIGHT INFRINGEMENTS | 151 |
| 9.2 ONLINE-MARKETING AND COMPETITION REGULATIONS | 152 |
| 9.3 PROTECTION OF PRIVATE DATA | 155 |
| 9.4 LIABILITY OF ONLINE-PROVIDERS FOR USER-GENERATED-CONTENT AND HYPERLINKS | 157 |
| 9.5 LEGAL EFFECTS OF THE “PROHIBITION OF REMOTE TREATMENT” IN GERMANY | 162 |
| 10. WEB 2.0 IN THE HEALTH CARE MARKET: EXPERT APPRAISALS | 164 |
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| 10.1 CONCEPT AND WAY OF PROCEEDING | 164 |
| 10.2 RESULTS AND INTERPRETATION | 167 |
| 11. CONCLUSION | 167 |
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| 173 | 167 |
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| REFERENCES | 176 |
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| APPENDIX | 193 |