https://phys.org/news/2018-11-outgoing-facebook-exec-fall-hiring.html > Schrage provided his explanation in a message sent Tuesday to Facebook's employees, but the company waited until late Wednesday to publicly share it at a time when most people in its home country were focusing on the Thanksgiving holiday weekend. Facebook CEO Mark Zuckerberg also didn't mention Schrage's role in hiring and working with Definers in an interview with CNN aired late Tuesday. > Definers' link to the Menlo Park, California, company was exposed in a story published by The New York Times earlier this month.