Telex is a telecommunications service invented in the early 20th century, which became popular during the mid-20th century. The word telex is an abbreviation for "teleprinter exchange," a term that refers to a network of teleprinters that were connected by wire or radio. However, the technology has been replaced by modern means of communication. Nowadays, there are several synonyms for the word telex that are used in modern-day communication. These synonyms include fax, email, instant messaging, text message, and even social media platforms like Twitter and Facebook. Regardless of the communication platform, the goal is to ensure a speedy and efficient exchange of information.