(Now they hitch a ride on the seams of nylon luggage.) Feather beds are much more expensive than down-filled duvets or comforters. They are a heavier construction. So if you live in a damp climate without central heating, it may suit you to use the feather bed as a warm covering. If, on the other hand, you live in a place with all the modern conveniences, it would be better used it to even out a lumpy or hard matress.
Sometimes the liquid contact indicators are placed in such a way that they can be inspected from the outside. For instance there is a LCI in the headphone connector, the dock connector, and near the SIM-card slot of an Apple iPhone.
After contact with water, or other liquids, the device is not covered by warranty. Liquid contact indicators are also known by other names such as water damage tape, water damage sticker, water contact indicator tape, liquid submersion indicator. A liquid contact indicator sticker near the battery contacts in a Samsung Galaxy SIII smartphone.