200 apps that were extensively gathering information from Facebook were reviewed and removed from the Facebook platform.
Facebook announced the review of the app after the 'Cambridge Approach'
Facebook has announced that it will cancel 200 apps after the first stage review. The information was reported in the news agency Reuters reports.
Facebook's Product Partnership Department's Vice President EMi Archiband said, "These apps are misusing Facebook information, investigating whether it is being investigated." That's why they were removed from Facebook.
On March 21, Facebook chief executive Mark Zuckerberg announced the investigation of the third party apps in the Facebook platform. 
Facebook has reduced the amount of data collected from Facebook through various apps since 2014, Facebook authorities.
Last week, Facebook made a major change to their board of directors. In addition to opening the Blockchain division, Facebook has more responsibility on the chief product officer.
Although there was a major reshuffle in the leadership of Facebook, no one was dismissed or dropped from the Cambridge Analyst scandal.
Apart from this, there was no change in the responsibility of Sir Zuckerberg as the chief executive or the appointment of Sheryl Sandberg as Chief Operating Officer.
Facebook's Chief Product Officer Chris Cox has been given the responsibility of Instagram, Messengers and WhatsApp.
The first Cambridge Analyst debate started in the media of the United Kingdom and the United States. According to the report published in The New York Times, Cambridge Institute of Information Analysis, which analyzed the US citizens' vote in 2016, was influenced by the US presidential election.
In this case, information obtained from Facebook's billions of user profiles was used..
The app mainly runs a personality test. But Facebook users who used to download this app also allowed Alexander Cogan to take their own information. The professor of psychology knew about the location of users, their friends, and the posts they would like to 'like'.During this time, the program was approved in favor of Facebook. Users provided that information to Cone Cambridge Analyst. He did this by breaking the Facebook policy.
More than five million Facebook users are unaffected in this way. At that time, Cambridge analyst was trying to innovate technology that could affect voters. But the Facebook authorities claimed that they had asked Cambridge Analytics to delete the information in 2015