Net Sticky Notes All Over London
An anonymous reader writeswith a link to a BBC story which mentions in passing the Urban Tapestries project for distributed, collaborative location-based note-taking, excerpting "In practice this means giving people a specially-equipped mobile phone that allows them to wander around central London and leave virtual notes for other people to read by writing them on the phone and then 'sticking' them to a building. It works because the position of each phone is constantly tracked so when a note is written the place can be noted - when someone else goes to the same place, they can read the note."
The project centres on a fundamental human desire to 'map' and 'mark' territory as part of belonging and of feeling a sense of ownership of our environment.
this, in fact, is the stated purpose of the project.
now if they included some sort of slashdot-style moderation-system where people could mod down annoying messages, this might become interesting. But then again, who wants to pay for GPRS traffic just to mod down some troll