The S curve is a graph that depicts the growth rate of a variable over time, starting slowly, accelerating in the middle, and eventually leveling off as it reaches its peak. The shape of the curve resembles the letter "S," hence the name.
The S curve is often used to describe the adoption of new technologies or products, as well as the growth of businesses and industries. In the early stages of adoption or growth, the curve is shallow as the technology or product gains traction. As it becomes more widely adopted, the curve steepens, indicating a rapid increase in growth. Eventually, the growth rate levels off as the technology or product reaches maturity or saturation.
The S curve is also used in project management to describe the progression of a project over time. In this context, the curve can represent the accumulation of knowledge, the acquisition of new skills, or the completion of project milestones.