Facebook's former 'conscience' Chris Cox quit last year after clashing with Mark Zuckerberg. Now that he's back, employees wonder if things will be different. (FB)

5:55am PDT - June 13th, 2020    harvard - Business Insider

• Chris Cox, a beloved Facebook employee who quit a year ago amid clashes with Mark Zuckerberg, is returning.
• Cox and Zuckerberg disagreed with the direction of the company, including on plans to more closely integrate its apps.
• His r…