Shared publicly  - 
 
New PLoS ONE publication by Heidelberg network researchers: http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0034740 "[T]he seemingly innocuous combination of knowledge of confirmed contacts between members on the one hand and their email contacts to non-members on the other hand provides enough information to deduce a substantial proportion of relationships between non-members."
See also the German press article http://www.uni-heidelberg.de/presse/news2012/pm20120430_netzwerke.html
1
Add a comment...