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• It should enable people to change the font size on their own.• It is necessary to pay special attention to the contrast with the text.• Avoid blue for important elements of the interface.• Always check your product with the help of screen readers.• Providing the subtitle when the video or audio content, is fundamental to the user experience.Second. Motor Control Link. Our motor skills decline with age, which makes it harder to use computers in various ways. For example, during some user testing at a retirement village, we saw an 80-year-old who always uses the mouse with two hands. Like many older people, she had a lot of trouble hitting interface targets and moving from one thing to the next.In the general population, a mouse is more accurate than a finger. But older people do better using touch interfaces.In order to help the elderly in these problems, you should consider the following steps in the design:•Reduce the distance between interface elements that are likely to be used in sequence (such as form fields), but make sure they’re at least 2 millimeters apart.•Buttons on touch interfaces should be at least 9.6 millimeters diagonally (for example, 44 × 44 pixels on an iPad) for ages up to 70, and larger for older people.•Interface elements to be clicked with a mouse (such as forms and buttons) should be at least 11 millimeters diagonally.•Pay attention to sizing in human interface guidelines (Luke Wroblewski has a good roundup of guidelines for different platforms).ConclusionObviously, it takes a fundamentally different approach to the design for the elderly. Older people are not afraid to try new technology when they see clear benefits. For example, older people are the largest users of tablets. This makes sense when you consider the difference between a tablet and a phone: the screen size. When taking into account the functional design can be achieved by the loyalty of this segment of buyers. However, it is necessary to take into account that older people have a more long-term use of gadgets.BibliographyCorso, J.F. (1984). Auditory processes and aging: Significant problems for research,Experimental Aging Research; Vol. 10, pp. 171–174.Dunkle, R.E., Haug, M.R., and Rosenberg, M. (1984). Communications Technology and theElderly: Issues and Forecasts. New York: Springer Publishing Company.Glickman, D.S. (1978). Accessibility Standards - Illustrated. State of Illinois: CapitalDevelopment Board.Goldstein, D.P. (1984). Hearing impairment, hearing aids and audiology, ASHA, pp. 24–38.Hopf, P.S., and Raeber, J.A. (1984). Access for the Handicapped, New York: Van NostrandReinhold Company.Kirikae, I., Sato, T., and Shitara, T. (1964). A study of hearing in advanced age. Laryngoscope,Vol. 74, pp. 205–221