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Strategy

Network effects

A product becomes more valuable as more people use it.

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What does Network effects mean?

A network effect exists when each new user makes the product more valuable to the others. A messaging app is more useful when your contacts use it (a direct effect). A marketplace is more useful to buyers when it has more sellers, and the other way round (an indirect or two-sided effect). Network effects can make a market lean toward one or two large players.

Where does it come up in case interview prep?