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By now, I hope you’ve started using a password manager. Password Managers allow you to remember 1 password that in turn unlocks the actual password you need for a website or application. Since you don’t need to remember every unique password for every site (because, remember don’t reuse passwords, each one should be unique) they can be totally random and pretty hard to guess.
The Wirecutter, part of The New York Times, just updated their password manager reviews.