Whether you live in a city or are traveling to one, convenient transportation without breaking the bank is a challenge. It is easy to fall back on taxis but the cost can add up quickly. Public transit is less expensive, but finding and waiting for buses or trains is often inconvenient and time consuming.

Enter modern technology. The solution can be found in the palm of your hand.

Smartphone car-service apps promise to make hailing a cab as easy as touching your smartphone screen.  No more standing out in the rain waiving your arm — with these apps the drivers come to you via your smartphone’s GPS.

Click play to learn the latest on getting around town inexpensively — in 90 seconds.