If your phone has an AMOLED display, it doesn't waste any battery to power black portions of the screen. (android.gadgethacks.com)
In fact, in predominantly black portions of the city the police radio changes, with the operator stating that someone should «maybe» go and check the situation out, whereas in predominantly white areas the call changes and help is sent quicker. (wolfsgamingblog.com)
Black portions of Deadpool's suit, for example, were inky - black, losing the fine folds and creases seen in other sets. (tomsguide.com)