“Usable” inform­a­tion tech­no­logy — includes ‘Voo­doo Usab­il­ity’. Dr. Jakob Nielsen estab­lished the “dis­count usab­il­ity engin­eer­ing” move­ment for fast and cheap improve­ments of user inter­faces and has inven­ted sev­er­al usab­il­ity meth­ods, includ­ing heur­ist­ic eval­u­ation. He holds 79 United States pat­ents, mainly on ways of mak­ing the Inter­net easi­er to use.

via useit.com