Answer:
Smartphone, If a company launches new smartphone that have features similar to its old models then it wont sell because the market is already saturated with old model of the smartphone.
Step-by-step explanation:
Market Saturation is the situation that occurs when volume of service or product has attained its maximum mark. After reaching point of saturation a company can only achieve growth if it keep developing new products and hence capturing market share from other companies.
There are two different types of perspectives for market saturation , in macro perspective the saturation occurs when all the customers had been served and no other customer is left, and from micro perspective saturation is such a state when the market is no longer providing new demand for the firms.