Silicon Valley grieves for Dave Goldberg: Tributes from CEOs and entrepreneurs pour in for husband of Facebook exec Sheryl Sandberg after sudden death at 47

Tributes for Dave Goldberg poured in from the technology world on Saturday after it was announced that the SurveyMonkey CEO and husband to Facebook COO Sheryl Sandberg died suddenly at age 47. Goldberg, who has two children with Sandberg, died while on vacation with his family. They have not disclosed exactly what caused his death. Facebook founder and CEO Mark Zuckerberg posted a tribute on his social network, urging people to leave tributes of their own on Goldberg's Facebook profile. He wrote: 'Dave Goldberg was an amazing person and I am glad I got to know him. My thoughts and prayers are with Sheryl and her family.'