Has Fitts' Law been adapted to Touch screens?

To our knowledge this is the first time Fitts' law has been systematically and successfully extended to finger input on phone-sized touchscreens.

1. Does Fitts law apply to touch screen?
2. What are some limitations of Fitts law?
3. How can you apply Fitts law in your daily life?
4. How is Fitts law used in human factors and ergonomics specifically for human computer interaction )?

Does Fitts law apply to touch screen?

Fitt's law originated with physical controls. Touchscreens are proto-physical so it applies the same way.

What are some limitations of Fitts law?

The reason Fitts's Law does not recommend the use of drop-downs is that they involve a longer cursor movement since users cannot access the target in a straight line.

How can you apply Fitts law in your daily life?

Fitts' law is widely applied in user experience (UX) and user interface (UI) design. For example, this law influenced the convention of making interactive buttons large (especially on finger-operated mobile devices)—smaller buttons are more difficult (and time-consuming) to click.

How is Fitts law used in human factors and ergonomics specifically for human computer interaction )?

Fitts's law (often cited as Fitts' law) is a predictive model of human movement primarily used in human–computer interaction and ergonomics. The law predicts that the time required to rapidly move to a target area is a function of the ratio between the distance to the target and the width of the target.