Any notice hereunder will be in writing to the address set forth above (and in the case of Facebook, to the attention of Legal-Notices@fb.com) and will be deemed given: (i) upon receipt if by personal delivery; (ii) upon receipt if sent by certified or registered U.S. Mail (return receipt requested); or (iii) one (1) day after it is sent if by next day delivery by a major commercial delivery service and electronic mail.