SUN VALLEY, ID - JULY 5: David Zaslav, chief executive officer of Discovery Communications, speaks to reporters during the annual Allen & Company Sun Valley Conference, July 5, 2016 in Sun Valley, Idaho. Every July, some of the world's most wealthy and powerful businesspeople from the media, finance, technology and political spheres converge at the Sun Valley Resort for the exclusive weeklong conference. (Photo by Drew Angerer/Getty Images)

SUN VALLEY, ID - JULY 5: Nirav Tolia, chief executive officer of Nextdoor, attends the annual Allen & Company Sun Valley Conference, July 5, 2016 in Sun Valley, Idaho. Every July, some of the world's most wealthy and powerful businesspeople from the media, finance, technology and political spheres converge at the Sun Valley Resort for the exclusive weeklong conference. (Photo by Drew Angerer/Getty Images)

SUN VALLEY, ID - JULY 5: A view of the Sun Valley Lodge on the first day of the annual Allen & Company Sun Valley Conference, July 5, 2016 in Sun Valley, Idaho. Every July, some of the world's most wealthy and powerful businesspeople from the media, finance, technology and political spheres converge at the Sun Valley Resort for the exclusive weeklong conference. (Photo by Drew Angerer/Getty Images)

SUN VALLEY, ID - JULY 5: Stacey Bendet Eisner, chief executive officer and creative director of Alice + Olivia, attends the annual Allen & Company Sun Valley Conference, July 5, 2016 in Sun Valley, Idaho. Every July, some of the world's most wealthy and powerful businesspeople from the media, finance, technology and political spheres converge at the Sun Valley Resort for the exclusive weeklong conference. (Photo by Drew Angerer/Getty Images)

SUN VALLEY, ID - JULY 5: Zander Lurie, chief executive officer of Survey Monkey and board member of GoPro, attends the annual Allen & Company Sun Valley Conference, July 5, 2016 in Sun Valley, Idaho. Every July, some of the world's most wealthy and powerful businesspeople from the media, finance, technology and political spheres converge at the Sun Valley Resort for the exclusive weeklong conference. (Photo by Drew Angerer/Getty Images)

SUN VALLEY, ID - JULY 5: Jed York, chief executive officer of the San Francisco 49ers football team, attends the annual Allen & Company Sun Valley Conference, July 5, 2016 in Sun Valley, Idaho. Every July, some of the world's most wealthy and powerful businesspeople from the media, finance, technology and political spheres converge at the Sun Valley Resort for the exclusive weeklong conference. (Photo by Drew Angerer/Getty Images)

SUN VALLEY, ID - JULY 5: Brian L. Roberts, chief executive officer of Comcast Corporation, attends the annual Allen & Company Sun Valley Conference, July 5, 2016 in Sun Valley, Idaho. Every July, some of the world's most wealthy and powerful businesspeople from the media, finance, technology and political spheres converge at the Sun Valley Resort for the exclusive weeklong conference. (Photo by Drew Angerer/Getty Images)

SUN VALLEY, ID - JULY 5: Michael Ovitz, businessman and co-founder of Creative Arts Agency, attends the annual Allen & Company Sun Valley Conference, July 5, 2016 in Sun Valley, Idaho. Every July, some of the world's most wealthy and powerful businesspeople from the media, finance, technology and political spheres converge at the Sun Valley Resort for the exclusive weeklong conference. (Photo by Drew Angerer/Getty Images)