What do I do?

Put in a search string in the box above and on the next page, pick an article you'd like to tag. Then on the tagging page you just start entering tag terms and applying them to the content.

What's this?

This is a prototype service to demonstrate what can be done with social and user generated tagging and data from The Guardian.

Inspired from discussions with Tom Carden, Matt McAlister and Simon Willison.