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."

Comments

Geocaching

[Nighttime]

Isn't this similar to geocaching? Previous /. stories here, here and here.

The official Geocaching website.

Prior art

[Mr_Silver]

Something similar was trialled a couple of years ago called "Mobile Grafitti" which basically worked the same way. You could write and "drop" messages anywhere and then others could pick them up.

Unfortunately it got canned early on for several reasons, one was that locations were rather broad which meant that often the note made no sense as it covered a wide area and secondly because it was abused chronically.