In the world of Twitter sometimes it would be a great idea to be able to attach a tweet with a physical location, so if someone tweets about a football game they can put it into context by also telling everyone where they are watching it from, perhaps a pub or even the football stadium. Each location will have its own twitter page, this will give you the ability to look and see who else is tweeting from the same location. This is a brand new feature that is being rolled out - so watch out for it and be sure to set up your page sooner rather than later.