As age creeps up on us all new technologies are helping to keep the elderly safe and give peace of mind to adult children who may not always be around. <br /><br /> Every time Bill and Dorothy, open the fridge, close the bathroom door or open a medicine cabinet tiny sensors in their San Francisco home register the actions and create a digital logbook, which can be monitored on a smartphone.<br /><br /> The system allows the octogenarians to remain independent, yet secure.<br /><br /> David Glickman is the co-founder of Lively the company behind the initiative: “It gives people peace of mind and assurance that mom’s doing okay, without being too invasive. There are no video cameras or anything of that nature.”<br /><br /> Sensors can be placed in all manner of household fixtures and fittings. The system is cheap and uses accelerometers to track the movement of objectives.<br /><br /> However, privacy remains an issue. <br /><br /> Christine Ritchie is a professor of geriatrics at the San Francisco <br />school of medicine: “I think sensors have grea
