Policy of Diminishing Attention Consumption

For the longest time I have used a sentence over and over that I thought best sumed up our attention management and heads-up-display philosophy. That sentence is:

"The more important the update, the more disruptive the presentation".

I don't know how elegant or informative the sentence is, but I found a diagram that explains it perfectly. And you know what they say - a picture paints a thousand words (and a word paints a thousand pictures).

So in the spirit of painting pictures and words - I have reproduced the diagram with permission from the original author (thought leader Kevin Lynch no less!).

So here it is: