Man zieht in gute Viertel, schickt die Kinder auf Privatschulen, achtet auf Stil und Manieren: Das Bürgertum grenzt sich ab – und erschwert Menschen aus den unteren Schichten den Aufstieg.
Brad Fitzpatrick recently wrote an elegant and important post about the Social Graph, a term used by Facebook to describe their social network. In his post, Fitzpatrick defines "social graph" as "the global mapping of everybody and how they're related". He went on to outline the problems with it, as well as a broad set of goals going forward. One problem is that currently you need to have different logins for different social networks. Another issue is portability and ownership of an individual's information, explicitly and implicitly revealed while using social networks. As was recently asserted in the Social...
D. Abrams, R. Baecker, and M. Chignell. Proceedings of the SIGCHI Conference on Human Factors in Computing Systems, page 41--48. New York, NY, USA, ACM Press/Addison-Wesley Publishing Co., (1998)
Y. Ahn, S. Han, H. Kwak, S. Moon, and H. Jeong. Proceedings of the 16th International Conference on World Wide Web, page 835--844. New York, NY, USA, ACM, (2007)
E. Bakshy, J. Hofman, W. Mason, and D. Watts. Proceedings of the Fourth ACM International Conference on Web Search and Data Mining, page 65--74. New York, NY, USA, ACM, (2011)
F. Benevenuto, T. Rodrigues, M. Cha, and V. Almeida. Proceedings of the 9th ACM SIGCOMM Conference on Internet Measurement Conference, page 49--62. New York, NY, USA, ACM, (2009)