I was amazingly interested by the report about GeoNotes usage: P.Persson and P.Fagerberg (2002). Geonotes: a real-use study of a public location-aware community system (.pdf). Technical Report SICS-T2002/27-SE, SICS, University of Goteborg, Sweden. This is going to be the next issue with locative media: how people will cheat and how designers will take this into account!

Although not confirmed, 2 labels appeared to be faked ("England" and "centralen" [normally designating a metro station far from Kista]).