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Convert between Latitude-Longitude and OS National Grid Reference points

Open Geospatial Consortium

Firefox - Location-aware browsing

Google Earth and GIS Resources

The first and only Google Maps Guestmap Service

New Mobile-Device Feature Lets Users Share Their Every Move With Each Other

Google Latitude

Protect Your Privacy When Using Google Latitude

Google Latitude now supported

youTube - Google Latitude

We're a favourite place on Google

eKit Travel Journal

Google - My Tracks

MapMaker Interactive

OS Web Map Builder

Locata - A spatial skills test

How to display multiple markers in different colors in Google Maps using KML file

EagleTweet - update Twitter location with FireEagle