It's no longer all about ads -- Here's how publishers, streaming sites, and apps are using subscriptions to boost revenues

While ads account for the bulk of revenue at most publishers, music streaming sites, and on apps, the subscription model is gaining traction. The business model allows digital media companies to provide a premium experience that offers more than the basic, often ad-supported service level. Subscriptions are enjoying a new prominence as a revenue model for digital content and apps. Internet companies are exploiting the opportunity to boost ARPU (average revenue per user), helped along by recur...