This is the Great Rift Valley in Northern Africa, where we think that man was born. About 1.8 million years ago, an early hominid – man’s ancestor – picked up a stone here and fashioned it into an tool, and we have been interacting with technology ever since. With any piece of technology in hand – be it an axhead or a mobile phone – the challenge facing a user is... how to use it? The user asks, ”What is it? How do I make it work?” The manufacturer asks, “How do I manufacture it? How do I design it? How do I conceptualise it? What should it do? Who is the user?” The user begins and ends this scenario, and, in fact, the user is absolutely central to interaction design. How a user will experience a technology – or a building or a city! – depends entirely on the quality of his or her interaction with it. Interaction design as a profession has been evolving over the last 20 years – and has moved product interface design away from engineering. But even today, many companies still think of user interaction as an afterthought, to be tacked on at th
To submit an update or takedown request for this paper, please submit an Update/Correction/Removal Request.