Tokyo is one of the most dense locations for geo-tweeting on the planet. Tokyo, London, Amsterdam and New York see some of the highest usage of twitter on the planet. In these cities, and many others, twitter flexibility and simplicity is making it the ideal Web 3.0 tool. Not only can people quickly access information from contacts or on subjects from anywhere, and many people are deciding to give geo-position with their tweets.
What we are seeing is a rapid uptake of geo-tagged tweets coming from the major cities, producing a continue flow of real time information about what is happening on the group in major cities. Some people even view these as the thoughts of a collective intelligence of the cities, but we find that way to Science Fiction.
But the potentials both positive and negative of such a crowd sourced flow of information are amazing. On one had it offers one of the most extensive form of monitoring and Surveillance, but also a instrument of collective culture creative, consumer knowledge sharing and democratic organization.
One thing is certain, the consumers have embraced the production of geo-tagged information in a way that would have been unimaginable just five years ago, and the trend looks only likely to continue.