BuddyPress.org

I have this on my site using a plugin I wrote for WPMU, I’m working on integrating it into the BP users page but right now it’s just on the WP Write page to set your location for each post. It also tracks users current locations to display them on a Sitewide map.

I’ll try to get it together to post as a plugin.

You can take a look at: myrv20.com

The site is no where near complete but you are welcome to take a look.