Washing machines, toilets, cups of tea, the British weather… these are a few of our favourite things. That is, until they fill the lungs of our cherished mobile phone, leaving us weeping over a soggy, lifeless metal carcass. Dropped your handset in the bath? Fumbled your phone and plopped it in the loo? Don’t panic …

Those with an Amazon Kindle will be familiar with the selection of creepy E-Ink renderings on its screensaver. Doze off while reading and you’ll awake to any number of horrors, from the moustachioed countenance of Mark Twain to an ichthyophobic’s nightmare. While the Kindle ordinarily won’t let you change the screensaver images, some simple jiggery-pokery will allow you to ‘jailbreak’ …