Brightkite for iPhone
rightkite has been released an Alpha version of its iPhone application. Brighkite is a location based social network. Brightkite allows you not only can you post messages and pictures via SMS, e-mail, or even its own web interface, but it also allows broadcasting your exact location to those around you.
Brightkite also includes integration with Twitter.
To use it, just visit Brightkite.com on your iPhone.
