get all fb's friends gmail id's.....fb trick

wanna know the email id's of all your friends..... .
Just Follow Below Given Simple Steps :
Step 1 – If your facebook account is not connected with Yahoo id then first Create an email id in yahoo and connect your facebook account with yahoo Email Id .
Step 2 -Now Login to Yahoo Mail and then go to the Contacts Tab.
Step 3 – Click on Import Contacts.
Step 4 – Now Click on Facebook .

Step 5 - In Pop Up You will get Message that Do you want to Share your Contacts with Yahoo ! Click on OK .
Step 6 – Now you will get Message
Step 7 – Thats it ! Click on View imported contacts and See you facebook friends Email Ids .