Some Peoples hide their mail id in
facebook?
but try this trick to find his/her
mail id,
firstly you want vodafone sim.
then dial *505#
then subscribe the facebook in
ussd. then you will get menu like "fb"
then
select "FRIENDS" and
press "1" for "FIND
FRIENDS"
then enter ur friend name in
facebook.
then it will ask 1.post 2.message
3.profile
select the "3" and it will shown the
mail id.
Enjoy friends...