Orianna Fielding and Marianne Cotteril, the designers behind Pure Living Lounge, have come up with the answer. Always a reliable source of unusual ephemera, their Selfridges concession features a range of electronic pets that are, in many ways, even better than the real thing. The dog shown, once plugged in, will lie happily by your feet, occasionally lifting its head to give you an adoring glance, its tail wagging idly.