Daily streaks give readers a sense of accomplishment for showing up. Rewards...

https://www.tumblr.com/gladlyradiantsphinx/819598402316812288/why-do-i-feel-like-content-is-engineered-now

Daily streaks give readers a sense of accomplishment for showing up. Rewards like badges offer recognition, while personalized feeds cut through the noise by surfacing stories that match their interests