"Can smartphones replace house keys?" reaction

According to an article published on the 6Th of July, 2011 In the Week magazine entitled "Can smart phones replace house keys?", a new app has been introduced by Lockmaker Schlage supposedly allows smart-phone users to unlock their doors using Internet connection , a new feature that threatening to make our juggling traditional key chains obsolete. This new technological breakthrough is related somehow to the idea of using remote-control to open cars and key card to unlock hotels rooms doors . The article also mention how the there are a couple of obstacles that can constitute hardships, Moreover , considered as weak points to the use of this new app. The ones mentioned are connection failure or and the deterioration of the smart phone battery life that can affect the app ability  to unlock the door.
Technology in general has made life easier for us in many ways , and the new invention will be another point or score in favor of modernity and against traditionalism . Personally, I do use technology in my life , but I do take caution , because to me technology can't be trusted. Simply malfunction can occurred anytime no matter how guaranteed the technology was. Non the less, this new app is useful and I will definitely  use it , for many reasons . First , it will make the weight of my heavy bag lighter by loosing those heavy key chains. Second, it will take one thing out of the list of the things that I should check on every time I step out of the house .  Third, I believe that it is more secure than traditional keys which are easy to copy manually ,unless we were up against an MIT graduate thief or intruder that to him cracking my new electronic app wouldn't be much of a problem.