If youâve used the PFUser object before, this should look very familiar, except that you're making a call to PFFacebookUtils. Notice that we create a permissions array. This indicates what data we want to access once the user is logged in. The full list can be found on the Facebook developer website.
pro-1. 1  a prefix indicating favor for some party, system, idea, etc., without identity with the group (pro-British; pro-Communist; proslavery), having anti- as its opposite.
Word Origin & History. improve late 15c., to use to one's profit, from Anglo-Fr. emprouwer to turn to profit (late 13c.), from O.Fr. en-, causative prefix, + prou profit, from L. prode advantageous (see proud). Meaning to raise to a better quality or condition first recorded 1610s.