There is this feature called Google Maps, this is one of the feature I love so much while using Google. With this you share location on Google, meaning you can share location on Google maps.
the best way to let friends, family know where about your movement is sharing it on Google Maps. So God forbid, in case of anything, your location could be tracked down.
Aside locations, Google also gives a direction to that location. Meaning with Google maps you location and direction could be easily located and track down for security reasons.
Google Maps recently added a new location-sharing feature to its app for iPhone and iPad. This is useful when you are trying to meet up with people, especially in large areas like parks or beaches.