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The dark side of smart homes: What can they do with our data?

Is it okay if your autonomous vacuum cleaner generates floor plans to share with Google? Did the home insulation salesman knock on your door because he had readings from your remote-controlled thermostat? And could hackers unlock the garage door for burglars through your home automation system? ‘Smart homes’ promise to transform domestic life by giving consumers remote control over heating and security, or by letting devices manage themselves and us, as in the case of self-stocking refrigerators, but at what cost to personal privacy and security? For the latest survey of an emerging terrain, Stephen Cousins put these questions to academic experts and suppliers.