I can actually log into Facebook with a password I used on there roughly two years ago, which to me seems like a VERY bad security issue. I'm hoping they are at

I can actually log into Facebook with a password I used on there roughly two years ago, which to me seems like a VERY bad security issue. I'm hoping they are at least fingerprinting my devices so that if someone else tries to access my account with an old password it won't let them, but still...