On Password Strength Again

The horse battery staple explained  https://www.explainxkcd.com/wiki/index.php/936:_Password_Strength

Password Security: Why the horse battery staple is not correct https://diogomonica.com/posts/password-security-why-the-horse-battery-staple-is-not-correct/

Is Your Password Policy Stupid?  http://blog.hellersearch.com/Blog/bid/141527/Is-Your-Password-Policy-Stupid