Electronic security is now seeing a steady stream of new products. Card access was first introduced in the hotel industry and it is now widespread among all hotels. Cars and safes are also now using electronic locks.

Now you can get "cylinderless deadbolts" that eliminate lock picking. This form of deadbolt used to have a backup mechanical key bypass system, but now that bypass system is being phased out on most locks. The downside of that is that if a lock fails is to drill through the door.

Click here to read more.