I worked at Radio Shack in 1990. Funny thing: People would come in all the time needing RAM for their 1983 TRS 80's. And we sold it for about $2,000 per 4k. W

I worked at Radio Shack in 1990. Funny thing: People would come in all the time needing RAM for their 1983 TRS 80's. And we sold it for about $2,000 per 4k. Why didn't they upgrade their computers? Legacy software running in their auto mechanic shop or similar.