Psychology of Variable Rewards
Nir explains how variable rewards work and the psychology behind it. He compares it to Skinner's experiment with pigeons and how the same psychology is used in slot machines and other engaging products. While some may see it as nefarious, Nir argues that it's progress and necessary for engaging products. However, in a world of abundance, it can be hard to focus and that's becoming a scarce commodity.In this clip
From this podcast

The Jordan Harbinger Show
48: Nir Eyal | How to Manage Distraction in a Digital Age
Related Questions
Do social media developers make their apps and games addictive to hook people but not to keep them addicted, as discussed in the episode Nir Eyal: How to be indistractable and the clip Ethical Product Design?
Do social media developers make their apps and games addictive to hook people but not to keep them addicted, as discussed in the episode Nir Eyal: How to be indistractable and the clip Ethical Tech Design from the episode 250: Nir Eyal | Control Your Attention and Choose Your Life and the clip The Cost of Technology?