Taxis are allowed to pick up people that are hailing them on the street. Uber works much a like a private car company does - you call them and they send a car.

Taxis are allowed to pick up people that are hailing them on the street. Uber works much a like a private car company does - you call them and they send a car. So it is different than a taxi. The difference between uber and a private car company is that uber can respond as fast as a taxi.