Alan Cooper Quote

Define what the product will do before you design how the product will do it.


About Face: The Essentials of Interaction Design (ed. 2014)


Define what the product will do before you design how the product will do it.

Define what the product will do before you design how the product will do it.

Define what the product will do before you design how the product will do it.

Define what the product will do before you design how the product will do it.