Google Buzz & Google Buzz Mobile

Read more: Official Gmail Blog: Google Buzz in Gmail

Twittori - Geotagging for Twitter status messages

View more documents from Stefan Wolpers.

Twittori - Geotagging for Twitter status messages

Swine Flu on Google Maps

View H1N1 Swine Flu in a larger map

Gears Geolocation API by Google

Official Google Mobile Blog: New Gears Geolocation API powers mobile web sites

Imagine if web sites could provide you with customized information based on your current location, even if you don't have GPS. Today we're launching the Gears Geolocation API for mobile and desktop browsers, while two third-party developers are launching the first location-enabled web apps using this API on Windows Mobile.

Fire Eagle

Fire Eagle shares your location information with services and applications that you choose. This location information is obtained from the web or your mobile device.
Fire Eagle

And how it works on addto10.com:

RunKeeper

Mobile Tracking and Online Displaying Runs and Bicycle-Rides in Google-Maps with the GPS iPhone: www.runkeeper.com

Via Where the Hell is Alex?

SKYHOOK: GPS without Satellites

David Pogue - Eye-Fi Review from mshean on Vimeo.
Combining the unique benefits of GPS, Cell tower triangulation and Wi-Fi Positioning, mobile consumers no longer have to wait minutes for a response or cope with inaccurate location.

Finally, a location-system that delivers the same level of location quality whether indoors or outdoors, in the country or downtown.
SKYHOOK