Google Latitude is the name for the location-based service of Google Maps.
UPDATE: Google Latitude has been since August 2013 offline and can therefore no longer be used.
Google Latitude is part of Google Maps for the mobile phone. This can be shown on the map are where you are and where your friends are located. When the mobile phone features a built-in GPS receiver is used to detect the location, on phones without GPS, the location of the user determined on the basis of the cell tower that the MOBILE phone makes contact.
The user of Google Latitude has complete control over what friends the location is shared, and at what time. The use of the program is free, but you must have a mobile internet subscription.
It is also possible to on their own iGoogle page is a map to places where the location of your friends is displayed.
Google Latitude has the following characteristics:
Google Latitude screenshots
You can free download Google Latitude and safe install the latest trial or new full version for Windows 10 (x32, 64 bit) from the official site.