Gallery: 10 most annoying hardware headaches

When future archaeologists dig out our digital middens, they'll be able to guess what most things were for and why. But even the brightest will be stumped by the wireless mouse and keyboard. Expensive, clumsy and over-designed, their one excuse for existing is that they don't have cables. You know, the thing that delivers continuous, uninterrupted power and tethers the input device to the workspace. Without it, they are free to get lost and gather dust until their batteries run out: these are good things? Add in the complexities of getting Bluetooth working properly or choosing free channels for proprietary interfaces and these things add layer after layer of misery in return for virtually nothing.