There are now many tablet PCs, portable electronic devices, and various technologies to help people communicate and share opinions or thoughts. And the past? People drew, scratched, painted, etched and finally typed their stories or thoughts. The typewriter was the first typewriter in history. Among the many typewriters, the IBM Selectric I typewriter was the most revolutionary. The electric typewriter was not only a milestone for later generations of typewriters, but it was also a large part of the historical event of feminism and the speed and convenience of the model helped the workforce work of history. There could not be computers, iPads, or many other electronic devices without the history of typewriters, particularly the revolutionary technology of the IBM Selectric typewriter. The beginning of the typewriter is unknown, but the first "official" invention dates back to 1714, which patent was granted to Henri Moulin. The first typed letter was written by William Burt, who typed a letter to his wife in 1830. The typewriter arose from the search for a method to enable blind people to read and write using raised letters . It is a mechanical interface that shares a fundamental link between the act of tactile printing and the ideal of evocative expression. This was also the role of “digital” transmission in the literal sense which took place through the fingers. The most common keyboard layout for typewriters is "QWERTY", and the word "typewriter" could be typed on the top line of the machine and was useful for those who did not know how to type. There are different types of typewriters, such as portable, electronic and standard models. IBM, one of the best typewriter companies in the United States, introduced the revolutionary and most remarkable electronics...... middle of paper......ndation of computer inventions. In 1975, the Selectric accounted for about 75 percent of computer inventions. the American market for electric typewriters. The first Selectric model to hit the typewriter market offered revolutionary features to office workers around the world. This revolutionary machine saved time and reduced errors. The influence of the typewriter was significant. Most notably, typewriters brought women into the workforce, contributing to liberation. Great works of literature were composed by typewriters and also played an important role in film, art and popular culture, elevating him to icon status. Throughout the 1960s and 1970s, the Selectric was the iconic secretarial machine. The famous relationship between Selectric typewriters and secretaries is still celebrated in films and television series depicting the era, including the hit television series Mad Men..