I try to have strong passwords for everything, including tech blogs. The simple reason is that it reinforces behavior and develops positive habits. For sites like this, I would rather no one has the ability to make me look like a fool by hacking my account and posting something stupid; I can handle that well enough on my own.
+1 to password safes. I am a heavy KeePass user and have always been happy with both the storage and password generation systems.
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