Because competing in internet services gives a tremendous advantage to the first mover who can amass the largest network. Metcalfe's Law states that the value o

Because competing in internet services gives a tremendous advantage to the first mover who can amass the largest network. Metcalfe's Law states that the value of a network (and, implicitly, how hard it is to topple) is proportional to the square of the number of connected users. https://stratechery.com/2014/uber-fights/ https://stratechery.com/2014/uber-fights/