Gamification turns reading into a habit by using streaks to provide steady...

https://johnathankvdj950.wpsuo.com/what-are-feedback-loops-in-apps-and-why-are-they-so-addictive

Gamification turns reading into a habit by using streaks to provide steady momentum and rewards to celebrate progress. Personalization makes the experience useful by surfacing stories that match your specific interests, cutting through the noise