You may wish to check and change your Amazon password as it seems they were using an old style crypt which made upper case,lower case and anything longer than 8 characters in your password to be ignored, so if your password was :- 'paSSworD1234' you could actually use 'password' to access your account!
Read on.....
http://www.neowin.net/news/amazon-password-flaw
I have just confirmed this by adding 3 digits to my password and it still allowed me to sign in!!! time to change my password!
---------- Post added at 20:13 ---------- Previous post was at 18:40 ----------
Has anyone else checked their password as 2 other people i know had to change theirs as it failed the log in test?