Ethan Hill You have a secret that can ruin your life. It's not a well-kept secret, either. Just a simple string of characters—maybe six of them if you're careless, 16 if you're cautious—that can reveal everything about you. Also in this issue Kill the Password: Why a String of Characters Can’t Protect Us AnymoreThe Patent ProblemHow James Dyson Makes the Ordinary ExtraordinaryYour email. Your bank