I Think Their System Clock Is A Little Fast.

If you're a security services company, don't do this

[23:21] xxx: you know, it's funny. i explained to my wife what a session id is and how it works , then showed her that site and she said i guess they aren't very secure then.
[23:22] xxx: SHE figured out the implications of using a timestamp as a session id after a 10 second explanation of session ID"s. and she's barely computer literate.

Indeed. Quite funny.