Which of the following statements about network economics is not true?

Uber is an example of a business model that is based on the principle of network economics

Information technology can be strategically useful from a network economics perspective

The law of diminishing returns does not always apply to every situation

From a network economics perspective, the value of a community of people grows as the number of participants in the community increases

In network economics, the marginal cost of adding new members to the network is higher than the marginal gain