Some related posts from Technorati and Google.

 [Redmonk.com] People Over Process: Plazes, dodgeball, and Enterprise Microformats: They could even provide RSS feeds with that formatting if they wanted to, though, it wouldn't be required.

[Continuousblog.net] Continuous Computing Blog: Social Networking: Already, many cell phones sold in the United States contain systems suchas GPS receivers that report users’ whereabouts during 911 calls. So far, fewcarriers have created ways for third-party software developers to put thislocation information to other uses, but in time, navigation tools andautomatic-access location-specific shopping or dining information will becomestandard fare for cellular subscribers.

Reflected tags on Technorati: Blog, Geolocation, Geotags.org