The notion of tags just got expand with ‘Taggable’ created by ‘The Start Project’.
What ‘Taggable’ does is it expands Facebook tags to the whole web. So if you’re on Facebook and you want to tag your friend on Flickr as well, you can now do it by using ‘Taggable’ bookmarklets.
Taggable isn’t just limited to users with bookmarklets added to their browser. Publishers can also add the feature to their sites. For blogs it’s very useful because people you may be friends with could be in the content. Those publications will then show the tags added by users, and those tags link back to a taggable page showing tags in a stream, by user.
It may seems a little confusing still, but in a few weeks it will be the next hit!