See all articles from The Plotter v1 n4
Letter from Dick Wagner: describes demonstrating an EPROM-based character generator add-on (Spyder Electronics) for his ZX81, prompting questions about high-resolution PLOTting. He wrote to the manufacturer and discovered they had gone out of business. Reflects on technology churn: new products spawn new businesses while dropping others into obsolescence. Editorial response discusses the value of affordable low-cost computing.