Twitter has been talking publicly about geo-location tagging features for several months, and had something of a soft launch back in November 2009 when it made the feature available to developers. Fourquare and Seesmic are among the developers to have already integrated Twitter's geo-location features.
Regarding the privacy concerns that typically accompany geo-aware services, Davide Needle writing for InternetNews.com, reported that Twitter said the feature is turned off by default and must be activated by the user. When users do opt-in, a map of their location can be seen next to their tweets, though users can control what's shown and turn the "Tweet With Your Location" feature off at anytime. By default, a general neighborhood location is shown, but users can also choose to show their exact street location. Users can also clear their location before they tweet and delete past location data with single click.
For the full story from our sister site, Datamation, click here.
For more on the security risks and rewards of geolocation, read a recent eSecurityPlanet.com column, Do Geotagging and Presence Put Your Enterprise at Risk? by Diana Kelley.