Twittori is another Twitter and Google Maps mashup. Using Twittori it is possible to Tweet about a location. The message will appear in your Twitter stream with a short link to the location on the Twittori Google Map mashup.
Using Twittori it is also possible to follow places as you would a person on Twitter. You will then receive updates about messages from other visitors to this place. Twittoria is also available as an application for the iPhone. In Japan the Twittori iPhone App is currently number four on the top free social apps download list.