PlugIns of the social network Facebook, Facebook Inc., Menlo Park, California, United States, in the form of a "Like button" and/or the social network Google Plus of Google Inc., 1600 Amphitheatre Parkway, Mountain View, CA 94043, United States, in the form of a "+1 button" are integrated on this website. The plugin enables a direct connection between the user's browser and the Facebook or Google server. Facebook or Google thus determine information (in particular the date and time of the website call and other browser-related information) of the user on the website. If the user clicks on the Facebook "Like" button or the Google "+1" button while the user is logged into his Facebook account or Google account, it is also possible for Facebook or Google to associate the visit to the website with the user's profile. Further information can be found here [http://www.facebook.com/help/186325668085084] and here [http://www.google.com/intl/de/+/policy/+1button.html]. By visiting the website, you expressly agree to such use of your user information.