April 27th anniversary
On April 27, 1981, Xerox announced the creation of the first mouse. Discover the history of this accessory that revolutionized computing to this day.
Xerox is known not only for its leadership in printers and copiers, but also for its incredible contribution to modern technology. Its history begins in 1906, when it was founded under the name The Haloid Company in Rochester, New York. Originally, it was dedicated to the production of photographic paper and other printing materials. However, its focus would shift in the following decades, leading the company to develop technologies that would forever change the world of computing.
The Origin of the Name Xerox and Photocopier Technology
In 1938, a physicist named Chester Carlson He invented a printing process that he called electrophotography, which would later be known as xerographyThis method allowed for quick and easy copying of documents, a revolutionary technology at the time. The Haloid Company, seeing the potential of Carlson's invention, acquired the rights to his technology and changed its name to Xerox in 1958. This name arose from the Greek word “xeros”, which means “dry”, alluding to the fact that its technology allowed copies to be made without the need for wet ink, something that made it unique.
In 1959, they launched the first commercial automatic photocopier, the Xerox 914. This model became a huge success, driving the company's growth. The Xerox 914 was capable of making up to 100,000 copies per month, incredible for its time. Thanks to its success, Xerox experienced significant expansion and positioned itself as a leader in the photocopier and printing technology sector.
The Palo Alto Research Center (PARC) and the Birth of Technological Innovations
In the 1970s, Xerox founded the Palo Alto Research Center (PARC) in California, with the goal of developing new technologies beyond copiers. This center was crucial in the creation of technologies that shaped the world of modern computing, and it was at PARC that the mouse, the graphical user interface (GUI) and the concept of personal computing.
The PARC team, led by pioneering engineers and researchers, developed the Xerox Alto In 1973, one of the first personal computers to incorporate a screen with graphics and a visual interfaceUnlike computers of the time, which operated with text commands, the Xerox Alto had a graphical user interface (GUI) and was operated using a novel device: the mouse.
The Official Presentation of the First Mouse: April 27, 1981
Although Xerox had developed the mouse in the 70s at PARC, it was the April 27, 1981 when it was officially introduced to the market together with the Xerox Star 8010, a computer system designed specifically for business environments. The Xerox Star was revolutionary for its time: it included not only a mouse, but also an advanced graphical interface that allowed users to interact with icons and windows.
The mouse It was designed at PARC as a device that would facilitate navigation within the graphical interface, allowing the user to move a pointer on the screen and intuitively select or manipulate objects. Instead of typing complicated commands, people could now click and drag objects, a functionality that is basic today, but at that time was completely new.

Impact of the Mouse and the Personal Computer on the Technology Industry
The Xerox Star 8010 and its mouse were a revolutionary breakthrough, but its high cost (around $16,000 at the time) made it unaffordable for the mass market. Although it wasn't a sales success, the Xerox Star served as inspiration for other technology giants. Steve Jobs, founder of Apple, visited PARC in 1979 and was impressed by the technologies he saw there, especially the mouse and the graphical interface. This visit influenced the development of the Apple Lisa and, later, of the Apple Macintosh, the first personal computer to make these innovations accessible to the average consumer.
The introduction of the mouse in the Xerox Star also laid the groundwork for what we know today as the modern personal computer. Soon, companies like Microsoft and Apple They began to develop their own graphical interfaces, contributing to the popularization of the mouse as an essential accessory for computers.
Xerox's Legacy in the Computing World
Although Xerox did not fully exploit the commercial potential of its inventions, the impact of its innovations is undeniable. The technology developed at PARC, including the mouse and the graphical user interface, transformed the way people interact with computers and laid the foundation for the development of modern software and hardware. Xerox remains one of the most influential companies in the field of technology, and its legacy lives on in every personal computer that uses a mouse and a graphical interface.
Conclusion
On April 28, 1981, Xerox introduced to the market one of the most fundamental tools in the history of computing: the mouse. Although the Xerox Star was not a commercial success, the technology and vision behind it inspired an entire industry and paved the way for other companies to bring computing technology to millions of people around the world. Today, every time we move a mouse to click an icon or drag a window, we are using a technology that Xerox helped introduce, and which remains a cornerstone of human-computer interaction.
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