(Last Word) : Network effects on the Internet:

A) help firms like Google and Facebook dominate their respective markets.
B) allow many firms to operate,making Internet markets highly competitive.
C) cause economies of scale to be exhausted quickly.
D) create a level playing field for all types of media,communication,and commerce on the Internet.

Network Effects

The phenomenon where the value or utility of a product or service increases as more people use it.

Google and Facebook

Leading technology companies known for their vast internet influence in search (Google) and social networking (Facebook).

Internet Markets

Markets that operate online, enabling buyers and sellers to transact over the internet, which often leads to reduced costs and wider geographical reach.