THE PERILS OF COMPUTERS THAT CAN’T BE FIXED. “When the warranty ends, manufacturers would prefer it if stuff disappeared so they could sell you a new product. But the real world isn’t nearly so tidy. . . . Long-lasting, repairable hardware is the key to making computers available to people who couldn’t otherwise afford them. Upgradeable tech also helps — even if you don’t upgrade your own computer, somebody else down the line can. It’s amazing how long people can keep technology running.”