A professor at the University of Florida, Pamela Brekka, forbids students from using the phrase "melting pot" because it allegedly "signals a Euro-White Colonial standard, point blank." (Facebook, University of Florida)
In this June 11, 2014, file photo, a man walks past a mural in an office on the Facebook campus in Menlo Park, Calif. Facebook is taking an aggressive new tack that blocks ad blockers on the desktop version of its service, insisting that well-made, relevant ads can be "useful." At the same time, the world's biggest social media company says it is giving users easier ways to decide what types of ads they want to see. Unless, of course, the answer is "none." (AP Photo/Jeff Chiu, File)
FILE - In this May 16, 2012, file photo, the Facebook logo is displayed on an iPad in Philadelphia. Facebook said on Thursday, Aug. 4, 2016, it is now using a system that identifies phrases commonly used in "clickbait" headlines, taking another stab at ridding users' news feeds of the links and headlines that ask readers to "guess what happened next" but don't provide any useful information, tempting people to click if they want to find out. (AP Photo/Matt Rourke, File)
Attorney General Loretta Lynch at a Facebook Live Town Hall meeting on Thursday June 30, 2016 in Playa Vista campus. Attorney General Loretta Lynch is visiting Los Angeles as part of Community Policing Tour. Former President Bill Clinton spoke with Lynch during an impromptu meeting in Phoenix, but Lynch said the discussion did not involve the investigation into Hillary Clinton's email use as secretary of state. (Irfan Khan / Los Angeles Times) /Los Angeles Times via AP)
Screen shot from the Facebook group Presbyterian Memes, captured on June 24, 2016. Mashup originally by Christopher Griffith of Blue Ridge, Va. The meme site jokingly said the new logo for the Presbyterian Church in America resembles the helmet worn by Boba Fett, the bounty hunter from "The Empire Strikes Back" and "Return of the Jedi."
Facebook CEO Mark Zuckerberg speaks during a panel discussion held as part of the China Development Forum at the Diaoyutai State Guesthouse in Beijing, in this Saturday, March 19, 2016, file photo. (AP Photo/Mark Schiefelbein, File)