Answer:
First mover advantage
Explanation:
First mover advantage refers to the advantage gained by an organization by simply being the first initial significant occupant of the market segment. By being the first to enter that particular market, the organization gains insurmountable market position. In some cases, the product of the first mover becomes the standard for both competitors and consumers. In this case, Sony has first mover advantage hence the edge they have over other companies seeing they were the pioneers.