Logos became a sort of symbol language in 20th century. In the 21st it will become even sharper: with development of multimedia-based information, logo is the simpliest and fastest way to stay in consumer’s mind. This is why well-designed logo is a part of every successful story in business : think of ANY well-known brand …in a second, its logo will appear subconsciously in your mind. One of the best ways to attract attention for your business.

See some examples below.