"social networking services that really work are the ones that are built around objects. (...) Flickr, for example, has turned photos into objects of sociality. On del.icio.us the objects are the URLs. EVDB, Upcoming.org, and evnt focus on events as objec
A. Genest, и L. Heller. Kooperation versus Eigenprofil? 31. Arbeits- und Fortbildungstagung der ASpB e.V., Sektion 5 im Deutschen Bibliotheksverband, 25. bis 28. September 2007 in der Technischen Universität Berlin, стр. 137--146. Karlsruhe, Arbeitsgemeinschaft der Spezialbibliotheken, Universitaetsverlag Karlsruhe, (2009)