This is the "worst-selling Microsoft product of all time" - and there's a good reason you've probably never heard of it
NegativeTechnology

Microsoft's OS/2 for Mach 20 is recognized as the worst-selling product in the company's history, with only eleven copies sold. This stark figure highlights the consequences of innovation that lacks practical value, leading to a complete market failure. The product's failure serves as a cautionary tale about the importance of aligning technological advancements with user needs and market demands.
— via World Pulse Now AI Editorial System
