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birdy1976: Introduction to #UX: Fundamentals of #usability testing (by @semanticwill via @caro__b via @choblab) #SlideShare http://t.co/joyIClE
birdy1976: Introduction to #UX: Fundamentals of #usability testing (by @semanticwill via @caro__b via @choblab) #SlideShare http://t.co/joyIClE