Hick's Law: Why Simplicity Increases Sales — Examples from Twitter and Spotify
In 1952, scientists William Hick and Ray Hyman discovered something simple yet profound: the more choices a person has, the longer it takes them to decide.
This is called Hick's Law — one of the most important principles in UX design.
The Law in Simple Terms
When you put 3 options in front of a user — they make a quick decision. When you put 10 — they get confused. And when you put 20 — they might not choose at all and just leave.
Real-World Examples
Twitter (X)
Twitter's navigation bar has only 5 icons: Home, Explore, Communities, Notifications, Messages. Not 15 choices. Just 5. And this lets users navigate quickly without thinking.
Spotify
When you open Spotify, it does not give you a list of every song in the world. It gives you 3 or 4 suggested playlists based on your taste. Limited choices = faster decisions.
Pricing Pages
When a website presents 3 pricing plans (Basic, Pro, Enterprise) — the conversion rate is much higher than when it presents 5 or 7 plans.
How to Apply Hick's Law
1. Reduce the Choices
If you have 10 buttons on a page — think about which ones you can remove.
2. Categorize Content
Instead of a long list — create categories. The user chooses the category first, then the item.
3. Highlight the Recommended Choice
If you have 3 options — make it clear which one is best. This reduces cognitive effort.
4. Progressive Disclosure
Show the essential information first. Details appear when the user requests them.
The Business Impact
- Landing pages with a single call-to-action convert better than pages with 5 buttons
- Shorter restaurant menus make people order faster and feel more satisfied
- Short registration forms increase the number of sign-ups
Conclusion
Simplicity is not laziness — it is strategy. The more you simplify the user's choices, the greater the chance they will make the decision you want them to make.