Although much of the practical work in HCI revolves around the design of graphical user interfaces, HCI is concerned with a number of topics, including
... to 24, 33.5% from 25 to 44, 23.9% from 45 to 64, and 6.9% who are 65 years of age or older. The median age is 34 years. For every 100 females there are 96.1 males. For ...