The alarm goes off, and you stumble out of bed.
The house senses you stirring and wakes along with you.
The thermostat kicks the temperature up a few degrees, the window blinds slowly open. Lights blink on as you walk into a room, dimly at first, so your eyes can adjust. By the time you've reached the kitchen, the coffee is ready. You open a cupboard to reach for a mug, and the radio pops on, ready with the daily weather report.
Welcome to the "Internet of Things," an era when ordinary objects — from coffeepots and refrigerators to doorknobs and thermostats — are being transformed into high-tech devices controlled by sensors and smartphones. A future house might even run itself — with doors talking to the lights and lights talking to televisions.
The Jetsons would be jealous.
Yet as the number of "smart" devices multiply, there are serious concerns about safety and privacy — anything on the Internet could be vulnerable to hackers. Then there are the amusing questions of necessity. Do you really want an Internet-connected toothbrush that reports your teeth-cleaning habits to your dentist?
"Technology for technology's sake is interesting to a very small subset of people," said Scott Vlaminck, co-founder of SmartThings, a Minneapolis company that makes home automation kits. "For real-world use, it needs to solve real-world problems."
Cool down by phone
Jess Myers of Inver Grove Heights uses the popular Internet-connected thermostat Nest to solve a common Minnesota dilemma: climate control when coming home from a summertime weekend at the cabin.