Original sentence: In 1980, Steven Jobs invited several key PARC's researchers to join his company in order that they would be able to fully develop and implement their ideas.It was the first commercial system to incorporate various technologies that today have become commonplace in personal computers, including a bit-mapped display, a window-based GUI, mouse, Ethernet networking, file servers, print servers and e-mail.Xerox later released a similar system to the Alto, the Xerox Star in 1981 as a workstation
Edited sentence: In 1980, Jobs invited several key PARC researchers to join his company so that they could fully develop and implement their ideas.In 1981 Xerox released a system similar to the Alto, the Xerox Star, as a workstation.It was the first commercial system to incorporate technologies that have subsequently become commonplace in personal computers, such as a bitmapped display, window-based GUI, mouse, Ethernet networking, file servers, print servers and e-mail