Value or power of a network grows exponentially as a function of the number of network members. this is known as law.

Value or power of a network grows exponentially as a function of the number of network members. this is known as Metcalfe's law. According to this law the value (the power) of a telecommunications network is proportional to the square of the number of connected users of the system (network members). Metcalfe's Law characterizes many of the network effects of communication technologies and networks such as the Internet, social networking and the World Wide Web. 

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Is it a multiple choice question? if not rhen how long does the answer need to be?