They're out of samples, so signing up won't get you anything.
I don't get it why would you not use the existing cap?
Tried it again after doing what janitza said and it said "thank you, yiur request has been sent"
Just got mine..so it should still be active unless I was the last person to get a free sample..
You HAVE TO write something in the notes/suggestions.
It says something dumb after you enter your info