@electronic{www.vodafone.com,
   title       = {Law Enforcement Disclosure Report - Vodafone}, 
   url         = {http://www.vodafone.com/content/sustainabilityreport/2014/index/operating_responsibly/privacy_and_security/law_enforcement.html},
   biburl      = {https://puma.uni-kassel.de/url/efd7c4ad0e557f2d37712ea4beeaf523/stumme},
   keywords    = {datenschutz nsa privacy vodafone},
   added-at    = {2014-06-10T16:07:19.000+0200},
   description = {},
   interhash   = {efd7c4ad0e557f2d37712ea4beeaf523}, 
   intrahash   = {efd7c4ad0e557f2d37712ea4beeaf523}
}

@electronic{ebiquity.umbc.edu,
   title       = {Facebook owns your content. All of it. Forever.}, 
   url         = {http://ebiquity.umbc.edu/blogger/2009/02/15/facebook-owns-your-content-all-of-it-forever/},
   biburl      = {https://puma.uni-kassel.de/url/5c334f531fd497a08ba7756ad06c2730/stumme},
   keywords    = {Facebook content owns privacy},
   added-at    = {2009-02-16T21:12:04.000+0100},
   description = {},
   interhash   = {5c334f531fd497a08ba7756ad06c2730}, 
   intrahash   = {5c334f531fd497a08ba7756ad06c2730}
}