Adobe encrypted passwords instead of hashing them...

Adobe encrypted passwords instead of hashing them...  That's bad, as in incompetent amateur level bad.

If you're not technical, here's the reason it's bad: with encrypted passwords, it's possible that a hacker could discover the encryption keys and recover all the passwords “in the clear” (as someone would type them).  With hashed passwords, that's not possible – nothing the hacker could do would ever recover all the passwords – the best he could do would be to break into a few accounts. 

For shame, Adobe, for shame.

I wonder how many other major companies doing something this stupid?