The Berlin Wall is an important stop for every sightseeing tour in Berlin. Every day many Berlin tourist are visiting the left overs from the Wall. Standing in front of the Wall almost everybody has a hard time to say which side was berlin west and which was berlin east. The postcard "berlin west / berlin east" is an analog Location Based Sevices and answers this crucial question for the most popular spots of the Berlin Wall. Part of the object is a compass which helps the user to orientate and to find out the direction of the former Westtberlin or Eastberlin. (Bartholl, 2006)
http://www.datenform.de/eastwesteng.html [28/05/2010]
