Mass marketing vs segmentation

Mass Marketing (definition)
To market your product or service to a large amount of people or a majority.
Segmentation (definition)
To divide your marketplace into multiple parts because it would be more efficient.
Mass Marketing Examples
Walmart (large target audience)
Mass Marketing Examples
Amazon (large target audience)
Example of Market Segmentation
Dove Men vs Dove for Women
Example of Market Segmentation
McDonald’s (happy meals vs breakfast)
NOT Mass Marketing
ESPN (directed only at sports fans)
NOT Mass Marketing
Conair (directed at people interested in styling their hair)