2 ms·

An interesting book by Donald Norman on the subject: http://www.amazon.com/Turn-Signals-Facial-Expressions-Automobiles/dp/020162236X http://www.amazon.com/Turn-

by kawera 14y ago

An interesting book by Donald Norman on the subject: http://www.amazon.com/Turn-Signals-Facial-Expressions-Automobiles/dp/020162236X http://www.amazon.com/Turn-Signals-Facial-Expressions-Automo...