Russell Nelson wrote:
> Graphical user interface designers understand the idea of an 
> 'affordance'.  An affordance is something whose operation is 
> obvious simply by looking at it.  An uparrow button moves 
> something upwards.

Uh, no. Affordances are the range of possible actions by a user, perceived
affordances
are the ranges of actions a user perceives is possible. You don't save
people by filing
down the sharp edges on a tool. You do it by telling them it's sharp.

Best,

Mike Robinson



 

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