How one frustrated shopper turned a spreadsheet nightmare into a community-powered resource that's saving buyers hours of research. If you've ever shopped for a mini PC, you know the drill. Open a dozen retailer tabs. Copy specs into a spreadsheet. Squint at product titles that hide critical details. Try to figure out whether that $299 model has soldered RAM or upgradeable slots. Give up and buy something you're not quite sure about. This is exactly the frustration that led a developer...