Guests arrive for at the Steve Jobs Theater for an Apple event at their headquarters in Cupertino, California, U.S. September 10, 2019. REUTERS/Stephen Lam

Actors Steve Carell (L), Reese Witherspoon and Jennifer Aniston (R) speak during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Visual artist and author Oliver Jeffers stands for a photo after attending an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Actor Leslie Odom Jr stands for a photo after attending an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Actress Octavia Spencer and television producer Nichelle Tramble stand for a photo after attending an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Actor Aaron Paul, actress Octavia Spencer and television producer Nichelle Tramble stand for a photo after attending an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Actor Josh Gad gestures after attending an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Actor Ewan MacGregor gestures after attending an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Director J. J. Abrams waves after attending an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Director John Chu is seen after attending an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Tim Cook, CEO of Apple (L) and Oprah Winfrey hug during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam TPX IMAGES OF THE DAY

Actor Tim Robbins is seen after attending an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Director J. J. Abrams waves after attending an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Actress Rashida Jones stands for a photo after attending an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Actor Ewan MacGregor is seen after attending an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Actor Chris Evans is seen after attending an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Director John Chu displays his badge after attending an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Actress Brooklynn Prince smiles after attending an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Actor Joel Kinnaman stands for a photo after attending an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Actor Joel Kinnaman stands for a photo after attending an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Actresses Jane Krakowski and Hailee Steinfeld stand for a photo after attending an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Actress Jane Krakowski stands for a photo after attending an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Actress and singer Hailee Steinfeld stands for a photo after attending an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Apple CEO Tim Cook, Oprah Winfrey and director Steven Spielberg stand for a photo after the Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Apple CEO Tim Cook, Oprah Winfrey and director Steven Spielberg stand for a photo after the Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Apple CEO Tim Cook and Oprah Winfrey stand for a photo after the Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Tim Cook, CEO of Apple (L) and Oprah Winfrey hug during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Former U.S. Olympic gymnast Aly Raisman stands for a photo after attending an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Former U.S. Olympic gymnast Aly Raisman stands for a photo after attending an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Tim Cook, CEO of Apple, speaks during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Tim Cook, CEO of Apple, says farewell at the end of an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Tim Cook, CEO of Apple, says farewell at the end of an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Tim Cook, CEO of Apple, says farewell at the end of an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Cindy Lin, Director of Program Management for Apple, speaks during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Peter Stern, VP Services for Apple, speaks during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Peter Stern, VP Services for Apple, speaks during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Peter Stern, VP Services for Apple, speaks during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Peter Stern, VP Services for Apple, speaks during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Sesame Street's Big Bird speaks during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Sesame Street's Big Bird speaks with Cody during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Singer Sara Bareilles sings during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Filmmaker J. J. Abrams (L) and singer Sara Bareilles speak during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Filmmaker J. J. Abrams (L) and singer Sara Bareilles speak during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Actor Kumail Nanjiani speaks during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Actor Kumail Nanjiani speaks during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Tim Cook, CEO of Apple (L) and Oprah Winfrey speak during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Tim Cook, CEO of Apple (L) and Oprah Winfrey hug during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Tim Cook, CEO of Apple (L) and Oprah Winfrey hug during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Tim Cook, CEO of Apple (L) and Oprah Winfrey speak during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Tim Cook, CEO of Apple (L) and Oprah Winfrey hug during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Oprah Winfrey speaks during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Oprah Winfrey speaks during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Oprah Winfrey speaks during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Oprah Winfrey speaks during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Actors Jason Momoa (L) and Alfre Woodard speak during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Actors Jason Momoa (L) and Alfre Woodard speak during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Actors Jason Momoa (L) and Alfre Woodard speak during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Actors Steve Carell (L), Reese Witherspoon and Jennifer Aniston (R) speak during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Actors Steve Carell (L), Reese Witherspoon and Jennifer Aniston (R) speak during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam

Actors Steve Carell (L), Reese Witherspoon and Jennifer Aniston (R) speak during an Apple special event at the Steve Jobs Theater in Cupertino, California, U.S., March 25, 2019. REUTERS/Stephen Lam