 personal computers that computation truly expanded to the ‚Äúedge.‚Äù The rapid development of personal computers also led to the decline of those massive machines, and the scale of human computation quickly tilted towards the ‚Äúedge.‚Äù</p>
<!-- ![The 70s Wang computer, once a world leader in market share. (Personal computer Wang 2200 PCS II. It is located in the Belgrade Museum of Technology.)](https://cdn.nlark.com/yuque/0/2022/jpeg/2392200/1669790328656-9d7afa01-96a9-4e1b-8d33-8c94e1b4