Answer:

Mirrors and lenses both have the ABILITY to reflect or refract light. This PROPERTY has put mirrors and lenses in use for centuries. As of 2010, mirrors and lenses are so prevalent that most PEOPLE use them EVERY day, regardless of whether or not they consciously perceive the use. There are standard and innovative uses for mirrors.

Decorating

Because mirrors reflect light, they create an illusion of open space by doubling whatever is in a room. Interior decorators use mirrors to make rooms feel larger and more inviting than they truly may be. Certain styles of mirrors may give a room a certain ATMOSPHERE based on their appearance. Additionally, decorators may use lenses to reflect light or add color. They may place candles on mirrors to magnify the shimmering effect or use a series of prisms to create rainbows in a white room.

Safety

People use mirrors and lenses for safety. Auto manufacturers place mirrors on the sides of vehicles so a driver has a better scope of traffic. Security personnel may use mirrors to view areas of a parking garage.