It works as advertised, though we found it only nominally less complicated than the alternative method of dialing in a street name one letter at a time with the MMI dial.

FORBES: 2012 Audi A7 Review: Elegant Performer

Because most people read words more quickly than they can identify and name colours, this widely used method tests their ability to inhibit the urge to read what is written and instead focus on the task of naming the colour.

ECONOMIST: Cognitive disenhancement