It all makes sense _#

 http://www.dynamite.co.uk/local/

Google Maps with data showing travel news, speed cameras, local photos, local website, and potentially much more.

This kind of demonstration is a real eye-opener - both in terms of how dynamic HTML & datasets can make truly excellent applications and how otherwise unassociated data sources can be pulled together gracefully into a common interface. My head is already buzzing with new ideas after seeing this...