London: Mobile phone companies are coming up with more and more weird ideas to lure customers- with the latest being the development of 3G slippers and wireless nappies. Rather than selling more phones, mobile firms are now looking to squeeze more revenue from the customers and networks they have already established. Engineers are developing ‘SmartSlippers’ with a tracking chip in them that will notify your relatives when you fall.“Think of what can be gathered just off your feet,” the Daily Mail quoted David Schieffelin, chief executive of manufacturers 24eight, as telling the Wall Street Journal. Coming soon: Wireless nappies and 3G slippers! - Indian Express