Signing for rent = renting your signature place to others and earning a little money yourself. Is to help others advertise with their signatures. For example, the signature left by your own posting contains other people's business information. LOGO is an English logo or trademark, which plays a role in identifying and promoting companies with logo. Through image identification, consumers can remember the main body and brand culture of the company. Logo logo in the network is mainly a graphic symbol used by various websites to link with other websites, representing a website or a section of a website. In addition, LOGO is an early computer programming language, and it is also a programming language very close to natural language. It learns programming by drawing, which provides an entertaining teaching method for beginners, especially children.