The Scroll Is Not Neutral

Infinite scroll was a design decision. Aza Raskin, who invented it, later said it was "one of the bigger mistakes" he made — estimating that it costs the world 200,000 hours of human attention per day.

Variable reward schedules were a design decision, borrowed from behavioural psychology research on slot machines. The unpredictability of whether the next pull will yield a reward is precisely what makes the behaviour compulsive.

The feed you experience every day — what appears, in what order, with what emotional valence — was optimised through millions of A/B tests. Every tweak that increased time-on-platform was kept; every tweak that decreased it was discarded.

This Is Not a Conspiracy

None of this required malicious intent. It required the following conditions, which all existed:

1. A metric (engagement/time-on-platform) that could be measured
2. An incentive structure that rewarded maximising it
3. The technical capability to run experiments at scale
4. No meaningful constraint against externalities

The result was predictable: the system optimised ruthlessly for the metric, and the metric was a poor proxy for human wellbeing.

The User's Position

Understanding this doesn't make you immune to it. Knowing that a slot machine uses variable reward scheduling doesn't stop the reward circuitry from firing. But it does change your relationship to the behaviour.

When you notice the urge to check your phone, you're not experiencing a desire for information — you're experiencing a designed compulsion. That reframing is useful.

It doesn't tell you what to do. But it moves the locus of decision from automatic to deliberate. And that's where all useful choices live.