Near Field Communication is a promising technology finding its way into smartphones. Google uses it, for instance, with the Google Wallet mobile payment system. Researchers at Yale, however, use it to unlock the door. You won’t want to miss this simple but impressive remote door locking system in action.
Stop robocalls once and for all
Robocalls are not only annoying, but they scam Americans out of millions every year. Learn Kim's tricks for stopping them for good in this handy guide.