Users’ attention span often can’t cover all of the information that modern display systems are capable of presenting. Designers can maximize the usability of the displayed information by directing the users’ attention to the highest priority data. This page discusses some of the relevant concepts involved in attention management.
I hope everyone agrees that attention is a scarce good. But I’m curious how people measure it. After all, if we’re going to talk about an economic good being scarce, we ought to quantify it!