Tagging is an amazing way of categorising user-generated content and brings order to the huge amount of content on the Web.   Don’t you love searching Flickr photos for inspiration, or browsing WordPress tags for articles of interest? None of this would be possible without tagging.

Geo-tagging has been around for a while, and millions of people are already doing so every time they upload a geo-coded photo to Flickr, or Tweet about a specific place.  To get a sense of what some of this activity looks like, check out Twittervision (a bit spooky!) or Flickrvision (awesome!)  which show Tweets and Flickr photos, on More >