Click the "Friends" tab on the Google Latitude page; you'll see a Google Map on the right. To the left of the map is a list of your Latitude friends. Click on the name of your friend in the list to see where that person's cell phone is on the Google Map. read more
Open Google Latitude in your web browser or your cell phone to track the location of your friends on the list in real time. Their current locations will be superimposed on Google maps. You can scroll around the map or use the arrow keys to browse through all of your friends' locations. read more
Stop seeing someone's location. Open the Google Maps app . On the map, tap their icon. At the bottom, tap More . To temporarily hide someone, tap Hide from map. You can stop hiding them at any time. Note: You can stop someone’s location from ever appearing on your map. Learn how to block another person’s account. Stop hiding someone. Tap Menu Location sharing More . read more