If you've got a connected car, you may already be remotely turning it on or unlocking your doors without even touching your key ring. Cars are increasingly equipped with Internet-connected technology, so you can do things like unlock the doors when you've got an armful of groceries.
The same concept is at work in IoT homes. For instance, you can remotely lock and unlock your doors. Smart locks, like Kwikset's Kevo are Bluetooth-connected, too.
With Kevo and its smartphone app, you can program your home locks, so only your family members can unlock the doors. You can set the times of day when they can unlock the doors, and you can give your house guests temporary access to your home. No keys required.
Read more: http://www.usatoday.com/story/tech/columnist/komando/2016/02/26/5-smart-home-gadgets-create-your-home-future/80802758/