is typically uncountable (you don't say "a content"). Media is the plural form of "medium."

While entertainment content and popular media have many benefits, they also have a dark side. Some of the negative effects of excessive consumption include:

The tension between these models defines the user experience. Are you the customer (paying a subscription) or the product (being sold to advertisers)?

The "Experience Economy": Why We’re Swapping Passive Watching for Active Fandom