Virtual Communities (cont.)
{"Image DocumentName": "Virtual Communities (cont.)", "Image ImageDescription": "Financial viability of communities. Based on sponsorship and advertisement. Expenses are very high because of the need to provide: Fresh content. Free services. Free membership. This model did not work well, many companies sustained heavy losses in ; too few members, too few purchases. Prentice Hall, 2003.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}