Toptal

Every market is ruled by certain common concepts, and JavaScript development is no exception.

The product lifecycle is a concept that you can apply to several different environments to understand and predict their behavior. It is a business concept that helps us understand the stages that a product goes through during its life, explaining the impact of these stages on its popularity measure—in most cases, sales. If we observe market behavior patterns, we can estimate the current stage of a product and therefore make some predictions about its popularity.

There are four stages: introduction, growth, maturity, and decline, and on the chart above, you can see the impact on expected product sales for each stage. For example, smartphones sales aren’t growing like five years ago—actually, quite the opposite is true—so we can fairly say that smartphones are getting into their maturity stage.

In the past few years, we’ve seen the

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