When we use streaks and rewards, we give users a clear reason to come back...

https://www.bookmark-fuel.win/when-readers-see-a-streak-indicator-it-builds-a-sense-of-momentum-that-makes

When we use streaks and rewards, we give users a clear reason to come back every day. It turns passive reading or watching into a steady habit. Personalization does the work here by surfacing stories that actually matter to the reader