Wait for the GPS to locate you and you will see your location on the map.
You can specify your location by moving the marker; This will appear to the taxi driver.
The taxi drivers near you will be able to know your order, and you will be able to see all the taxi driver's information. These data will be sent to your email for greater security.
You can see how little by little the taxi driver approaches your location.
You can add a reference to your address or how you are dressed.