Facebook outlined on Thursday a series of new rules for employee communication within the company’s internal social network workplace. The most important change is to require employees to use their own photos as personal data pictures. < / P > < p > “we attach great importance to expression, open discussion, and a corporate culture based on respect and inclusion,” Facebook spokesman Joe Osborne said in a statement. “What we hear from employees is that they want to choose to participate in the debate on social and political issues, rather than accidentally see them in their work feedback. So we are updating our policies and working tools to ensure that our employees have both a voice and a choice. ” A week after the new rules were introduced, Facebook CEO Mark Zuckerberg briefed employees on a new set of principles to guide internal debate and dialogue. < / P > < p > Facebook’s new rules will also expand the company’s definition of harassment. The company will ban any insensitive, degrading or derogatory communication and may create a hostile working environment for those in the protected class. < / P > < p > in addition, the company will specify more specifically which parts of the workplace can be used to discuss social and political issues. Facebook will also increase management support for unofficial workplace groups. < / P > < p > these changes follow a series of leaks in employee workplace posts and weekly Q & A between Facebook and Zuckerberg in the past few months. Spontaneous combustion at a Guangzhou Motor vehicle intersection and other traffic lights in Shenzhen