At the heart of most streaming services is the subscription model. You pay a recurring fee, usually monthly or yearly, for unlimited access to a library of content. Netflix is the classic example. This approach creates a steady, predictable stream of revenue for the company, which is a huge advantage for financial planning and investing in new content.

By getting customers to commit to a regular payment, services can build a loyal user base. The challenge, of course, is to keep that content library fresh and exciting enough that people feel they're getting their money's worth and don't cancel.

Not everyone wants to pay right away. That’s where freemium and ad-supported models come in. Spotify famously uses this strategy. It offers a free version of its music streaming service that includes advertisements and has some limitations, like not being able to download songs for offline listening.

The goal of a freemium model is twofold. First, the free tier acts as a massive marketing tool, attracting a huge number of users who might never have signed up for a paid trial. Second, the service can make money from these free users by selling advertising space. Companies like YouTube and Spotify generate significant revenue from ads played between songs or videos.

A portion of these free users will eventually get tired of the ads or want the extra features and upgrade to a paid subscription. This conversion from free to paid is a key metric for any company using this approach.

A streaming service is only as good as what you can watch or listen to on it. This content comes from two main sources: licensing agreements and original productions.

Initially, services like Netflix relied almost entirely on licensing. They would pay large sums to movie studios and TV networks for the temporary rights to stream their content. Think of it like renting. The problem is that these deals expire, and popular shows can disappear overnight if the agreement isn't renewed. Licensing is also expensive and competitive, with multiple services often bidding for the same hot title.

To solve this problem, many platforms shifted to producing original content. By creating their own movies and series, like Stranger Things on Netflix or The Mandalorian on Disney+, services gain exclusive titles they control forever. This content can't be found anywhere else, which is a powerful incentive for customers to subscribe and stick around.

While producing original content requires a massive upfront investment, it becomes a valuable, long-term asset that defines the service's brand and secures its library against the whims of licensing negotiations.