Definition: In this task, you are given a text of many news articles seperated by special token "|||||". Your task is to summarize them.
Input: 
  
 Moderator Megyn Kelly waits for the start of the Republican presidential primary debate in Des Moines. (Chris Carlson/AP) 
  
 Facebook announced Friday that humans would no longer write descriptions for its Trending topics list, handing over even more responsibility to the already-powerful algorithm. But just days after the policy change, Facebook’s algorithm chose a very bad, factually incorrect headline to explain to its news-hungry users why Megyn Kelly was trending. 
  
 The headline, which was visible to anyone who hovered over Megyn Kelly’s name on the Trending list, refers to the Fox News personality as a “traitor” and claims that the cable channel has “Kick[ed] her out for backing Hillary.” (They have not.) 
  
 [Facebook is tracking ‘trends,’ so we’re tracking Facebook] 
  
 The article was featured prominently as the top news story on Facebook about Megyn Kelly as of Monday morning, until her name disappeared from the Trending list about 9:30 a.m. The story is far down the rabbit hole of junk information, a typo-ridden aggregation of an aggregation about a clash of personalities between Kelly and Bill O’Reilly. 
  
 Here’s what Facebook displayed when you hovered over “Megyn Kelly”: 
  
 Based on Twitter mentions about all of this, it appears that the article maintained this coveted spot as Facebook’s top Kelly story for several hours. 
  
 Facebook chooses Trending topics with an algorithm that considers a combination of volume and momentum: Trending topics have a lot of original mentions, and those mentions are spiking. It’s using a similar process to sort search results for those individual topics. The featured article for each topic — the spot occupied by the bad Ending The Fed aggregation for Kelly — is supposed to be an “automatically selected original news story with an excerpt pulled directly from the top article itself,” according to Facebook’s own announcement about the new Trending process. 
  
 Instead of relying on an automatically selected article, Facebook used to employ a small editorial team to write descriptions for each trending topic. That changed Friday, Quartz reported, when the company fired its editorial staff and replaced them with engineers, who essentially function as the Trending algorithm’s janitors. 
  
 Although Facebook says it always meant to remove humans from the Trending process as much as possible, the changes Friday were accelerated. “We are making these changes sooner given the feedback we got from the Facebook community earlier this year,” the company explained on Friday. 
  
 [What we really see when Facebook Trending picks stories for us] 
  
 They don’t say it explicitly, but Facebook is almost certainly referring to the fallout from Gizmodo’s reporting on the team that suggested (among many other things) that the Trending list was “biased” against conservative topics and news sources. 
  
 Both Facebook and other former employees of the editorial team have since said that particular accusation was not quite true. Overall, though, the reporting raised some really good questions about how Facebook manages its Trending list, given the company’s hugely important role in deciding which topics and news articles its users see (and click). 
  
 In this case, the article Facebook chose to showcase appears to fall short of its own stated standards, on pretty much every possible front. 
  
 Kelly has not been fired from Fox News. But she was the focus of a recent Vanity Fair piece about the internal fight to keep the popular conservative host at the network. Kelly’s contract expires next year, as does O’Reilly’s; the piece repeats a suggestion from an anonymous “rival news executive” that the network might be able to keep only one of the two stars. 
  
 [How Facebook is changing News Feed: What the social network didn’t tell you] 
  
 The trending “news” article about Kelly is an Ending the Fed article that is basically just a block quote of a blog post from National Insider Politics, which itself was actually aggregated from a third conservative site, Conservative 101. All three sites use the same “BREAKING” headline. 
  
 The Conservative 101 post is three paragraphs long, and basically reads as anti-Kelly fan fiction accusing her of being a “closet liberal” who is about to be removed from the network by a Trump-supporting O’Reilly. It cites exactly one news source as a basis for its speculation: the Vanity Fair piece. 
  
 One thing about this whole debacle is very believable, though: that the Ending the Fed article was shared widely across Facebook. 
  
 A recent New York Times magazine piece dove deep into the “hyper-partisan” media sites that live and thrive in the news feeds of the red and the blue worlds on the platform. Headlines like the one about Kelly are designed to be shared and believed by those who are already inclined to share and believe them. And they do. 
  
 Liked that? Read these: ||||| ’s popular Trending section suffered a major mishap Monday, just three days after its programming switched from human hands to an automated algorithm. 
  
 The section, which is featured on the top right of the social network’s pages, posted an erroneous report that Fox News anchor Megyn Kelly was fired from the network. The Washington Post was first to report Facebook’s error. 
  
 Kelly’s name topped the Trending section on Monday morning. Before Friday, a brief description would appear alongside a topic, explaining why it was trending. However, Facebook removed the editor-written descriptions with the algorithm switch. 
  
 After the change, Facebook users could still hover above a trending topic and get a pop-up description. The headline for the one for Kelly read: “BREAKING: Fox News Exposes Traitor Megyn Kelly, Kicks Her Out For Backing Hillary.” See a screenshot below. 
  
 It was followed by a typo-filled description that read, “The Klelly [sic] File’s ratings have even fallen behind Maddow Show on MSNB [sic].” Those errors alone would’ve led human editors to question the legitimacy of the piece, but the story was posted regardless. 
  
 When rolling out the automated algorithm last Friday, Facebook explained “a search results page will include the news sources that are covering it, posts discussing it and an automatically selected original news story with an excerpt pulled directly from the top article itself.” In this case, the original news story was factually incorrect. 
  
 The Kelly post was reportedly in the Trending section for several hours before it was removed. Facebook has yet to respond to the error. 
  
 The removal of human editors and hand-written descriptions last week came after Gizmodo reported stories with a conservative tone or subject were being suppressed from the Trending section back in May. CEO Mark Zuckerberg responded, “We take this report very seriously and are conducting a full investigation to ensure our teams upheld the integrity of this product.” Following the investigation of political bias, Zuckerberg said, “We have found no evidence that this report is true.” Zuckerberg also met with conservatives, including radio host Glenn Beck and Donald Trump policy advisor Barry Bennett, to discuss “Trending.” |||||
Output:
If you get most of your news from Facebook, then there's a chance you've been very misled about Megyn Kelly. For a few hours Monday, a fake news article about the Fox News anchor was featured on the social media site's "Trending" topics section, Variety reports. The article, published on right-wing website Ending the Fed, claimed that Kelly is "a closet liberal who actually wants Hillary to win" and that she had been fired from Fox. Justin Green of the Independent Journal Review tweeted a screenshot of the article in the Trending list Monday and noted that it was "totally fake." Facebook has since removed the article from the list. "This was a mistake for which we apologize, and it has been corrected," a VP tells CBS News. "A topic is eligible for Trending if it meets the criteria for being a real-world news event and there are a sufficient number of relevant articles and posts about that topic. Over the weekend, this topic met those conditions and the Trending review team accepted it thinking it was a real-world topic." The incident comes as Facebook is under scrutiny for allegedly having a liberal bias. Just last week, the social media company decided to let computer algorithms choose trending news and fired its entire editorial team, leaving engineers as the only humans involved in the process. It appears those algorithms chose the wrong story to promote and the engineers missed it in their review, the Washington Post notes.