[wickrom]

How does Facebook, hiring some of the best engineers in the industry with the biggest bucks ends up in such a mess

[jammygit]

But think of the whiteboard algorithms they can all put together in a pinch

[happppy]

maybe they need passwords to login as user?

[jordache]

even if they want to emulate a user, they can do so without their password. Or if doing so in a simplistic way, they can login with said user's hashed password, instead of the original plaintext.