When Christy and Joe Affrunti bought their Long Island, New York, house last year, one of their first projects was replacing the traditional front-door lock with one that opens using a pass code. They were tired of the hassle of "jiggling with a key."
Now, when they need to give someone like a repairman temporary access, they give a temporary code to get in. They share their permanent code with friends; those who arrive at the house before they do, for instance, can "come in and be comfortable instead of sitting in their car," Christy Affrunti says.
Read more... http://www.dailystar.com.lb/Life/SciandTech/2015/Apr-24/295556-good-bye-keys-smart-locks-let-you-in-without-them.ashx