A large number of people are willing to share/lend out their cars and on this,car-pooling/sharing companies are founded on. When a secure way of sharing transport means was introduced a large number of people joined car-pooling/sharing companied such as Zip-Car. Similarly, a large number of people are willing to give lifts to their friends who do not own cars if they can easily tell where their friends are positioned and if they can be easily picked from where they are.