As the products go on the market, the limitations in the induction cause them to be relatively homogeneous, however, over time, technological advances, product positioning, consumer needs and profits allow the market to lose homogeneity, especially those products that are related to very subjective and diverse criteria such as aesthetics or happiness.
In this case, what is shown in the cell phone market is the variation in the offer that occurred over time.
Answer
The history of the cell phone demonstrates that a. Markets evolve toward greater heterogeneity over time.