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Fitts's law 0:29
A 29-second explainer of Fitts's law, narrated over the same demo you can try yourself.
Try the interactive Fitts's law demo
What this video covers
The time it takes to hit a target grows as it gets smaller or farther away. Large, nearby targets are fast to hit; small, distant ones take longer.
That gap you just felt is Fitts's law. It's why the primary button is big and close, and the "delete account" link is small and tucked away in a corner.
