Besides Google Latitude, here we go again: http://www.downloadsquad.com/2010/03/10/twitter-rolls-out-geolocation-and-facebook-location-sharing-is/
Twitter and Facebook both moved forward with their new location-based
features today, with Twitter switching on geolocation features on Twitter.
com, and Facebook announcing it will allow users to share their locations.
We already knew that Twitter's move was coming, because Twitter's location
services have been part of the API and available in third-
