Exhibit 24

                                 POWER OF ATTORNEY

      Know all by these presents that Mark N. Edoff does hereby make, constitute
and appoint Yu-Cheng Sun and Reece Hunt, or either one of them, as a true and
lawful attorney-in-fact of the undersigned with full powers of substitution and
revocation, for and in the name, place and stead of the undersigned (in the
undersigned's individual capacity), to execute and deliver such forms as may be
required to be filed from time to time with the Securities and Exchange
Commission (i) pursuant to Section 16(a) of the Securities Exchange Act of 1934,
as amended, including without limitation, statements on Form 3, Form 4 and Form
5 and (ii) in connection with any applications for EDGAR access codes, including
without limitation the Form ID. The Power of Attorney shall remain in full force
and effect for a term of one year from the date hereof.




                                 /s/ Mark N. Edoff
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                                      Signature

                                   Mark N. Edoff
                         ---------------------------------
                                        Name

                                September 11, 2012
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                                        Date