] "GeoURL is a location-to-URL reverse directory. This will
] allow you to find URLs by their proximity to a given
] location. Find your neighbor's blog, perhaps, or the web
] page of the restaurants near you."

This site is slashdoted to hell, but I think that ultimately this sort of thing will be extremely important. Espeically with respect to mobile devices. You will want to be able to attach a blog entry to a geographic location, and the reputation system will find blog entries of interest to you as you walk around town... This will allow you to share information about businesses in the area, history, etc...

GeoURL ICBM Address Server