Drag 'n Drop is Invisible To Users
An added enhancement to the usability of drag and drop ...
"In the world of cognitive psychology, there’s something known as an affordance. Affordances are clues that communicate to a user how they should use an object.
For example, assuming you’re familiar with the convention, a type-in box communicates to the user that they should click within the box and start typing if they want to enter data.
With the advent of AJAX-style interactions, it has become easier to add drag-and-drop elements to web pages. These allow the user to grab an item and move it to another part of the screen, to allow activities such as reorganizing data.
The problem with drag-and-drop is that it doesn’t have any affordances. You can’t tell when you’ve encountered an element that is dragable. The result is that this powerful capability is often only known by developers.
Netflix is clever. They’ve figured this out and acted appropriately." continued ... (Via UIE Brain Sparks)
"In the world of cognitive psychology, there’s something known as an affordance. Affordances are clues that communicate to a user how they should use an object.
For example, assuming you’re familiar with the convention, a type-in box communicates to the user that they should click within the box and start typing if they want to enter data.
With the advent of AJAX-style interactions, it has become easier to add drag-and-drop elements to web pages. These allow the user to grab an item and move it to another part of the screen, to allow activities such as reorganizing data.
The problem with drag-and-drop is that it doesn’t have any affordances. You can’t tell when you’ve encountered an element that is dragable. The result is that this powerful capability is often only known by developers.
Netflix is clever. They’ve figured this out and acted appropriately." continued ... (Via UIE Brain Sparks)
Netflix Queue Listing.
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