Nowadays everything seems to be getting smaller; SIM cards, computers, prices for TVs, transistors, pixel sizes of video screens. So, why not also reduce the size of a font or icon to get more information into your app? Small graphics look sharp and crisp on small displays with very low pixel sizes. It’s very tempting.
The answer is simple: We are now getting to a saturation point—actually we have been there for a while. In this context, saturation means that relevant UI components will not benefit from higher resolution.