If you’re like most people, the news of the Heartbleed bug and how broadly its security flaw spread is worrisome enough. But the list of sites where you absolutely have to change your passwords looks daunting for anyone. You probably have to change passwords on your email, your Facebook, and maybe even your online dating profile, not to mention potentially countless online shopping sites (depending upon the depth and breadth of your need to shop until you drop). If you’re like a lot of people, you probably think that you can come up with one indecipherable password, maybe one that