~$30/user (on 3.5B users), not exactly small if you ask me. If you do a DCF on a $30/y coupon, even assuming it doesn't grow, you'll find that Facebook's (famil

~$30/user (on 3.5B users), not exactly small if you ask me. If you do a DCF on a $30/y coupon, even assuming it doesn't grow, you'll find that Facebook's (family of products) individual users are quite valuable.