This Nov. 19 screenshot shows the cover photo of an unofficial Marine group on Facebook called Just the Tip, of the Spear. The group and those like it have been accused of promoting sexism and of acting as a forum for hate speech. Just the Tip, of the Spear - 21/Facebook hide caption

itoggle caption Just the Tip, of the Spear - 21/Facebook

Facebook CEO Mark Zuckerberg speaks to students at Sequoia High School in Redwood City, Calif. His company released a new, simpler privacy policy Thursday, but it does not make any big changes to how much data the company collects from users. Alex Washburn/AP hide caption

itoggle caption Alex Washburn/AP

A technician opens a vessel containing women's frozen egg cells in April 2011 in Amsterdam. AFP/Getty Images hide caption

itoggle caption AFP/Getty Images

San Francisco City Supervisor David Campos (right) walks with drag queen Sister Roma to a news conference on Sept. 17 about a Facebook policy that requires people to use their "real" names on their profiles. The site said Wednesday it will modify how the policy is enforced. Eric Risberg/AP hide caption

itoggle caption Eric Risberg/AP

Ello is a new, invitation-only social network that aims to thrive and survive on a business model that does not include selling user data or advertising. Ello.co hide caption

itoggle caption Ello.co

Drag queens Lil Miss Hot Mess (left) and Sister Roma join other activists for a news conference at San Francisco City Hall on Sept. 17 to speak out against Facebook's rule on using legal names for profiles. Eric Risberg/AP hide caption

itoggle caption Eric Risberg/AP

An Aymara woman prepares to take part in a pageant in La Paz, Bolivia, in 2013. Jaqi-Aru, a community of volunteers is working on translating the Facebook interface in the indigenous language of Aymara. Juan Karita/AP hide caption

itoggle caption Juan Karita/AP

Facebook CEO Mark Zuckerberg speaks at a developer conference in April. His company was unliked this week for manipulating users' news feeds to test their emotions. Ben Margot/AP hide caption

itoggle caption Ben Margot/AP

Facebook chief operating officer Sheryl Sandberg addresses an interactive session organized by the women's wing of the Federation of Indian Chambers of Commerce and Industry (FICCI) in New Delhi on Wednesday. Chandan Khanna /AFP/Getty Images hide caption

itoggle caption Chandan Khanna /AFP/Getty Images