GeoGraffiti is a mobile phone service that enables any caller to publish a voice message that 'marks' a real-world place. This could be a review of a restaurant or shop or just your opinion of your local park.
There are GeoGraffiti applications available for the iPhone and Google Android powered phones but the service will work from any phone. Alternatively you can use GoeGraffiti's online Google Maps ‘mashup’ to record and publish your voice message to the world. You can also use the Google Map to browse through other users' recorded audio marks.
GeoGraffiti have also produced a FaceBook application that displays a notice item in your News Feed each time a friend publishes or responds to a voice mark.
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