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.
Taxi drivers close to you will be able to know your order, and you will be able to see all the taxi driver's data, this information will be sent to your email for greater security.
You can see how slowly the taxi driver approaches your location.
You can add a reference of your address or how are you dressed.