Google Earth has achieved amazing word of mouth in such a short time- from school kids to local radio to developers adding applications to it!
Blawg Review has added a great twist by inviting blog visitors to mark themselves on a Blawg Review Guest Map which is based on Google Map.
Blawg Review is the home for a weekly round up of law related blogs, usually US based but always interesting. However they seem to have an obsession about baseball! I wonder if they could do a world version based on cricket, starting with the Ashes!