hmmmm...is this safe? I mean with presents I am cautios...

on my way to sign up, I unticked the boxes (friendslist & email) that are not "required" to be ticked and then the next page shows:

Authentication Permission error

Sorry, You need to give Facebook permission to share your email address & Facebook friends list with us in order for your claim to be approved.
Please allow Friends,Email permission through your facebook's settings/App/POW, And try again!

Sooo, what they want may friends-list for??