Update: Facebook has released the following chart showing the locations of users affected by the Cambridge
Analytica data cache.
Not exact matches
May 2015 — Facebook finally shutters its friends API for existing developers such as Kogan — but he has already been able to use this to suck out and pass on a massive
cache of Facebook
data to Cambridge
Analytica
Aleksandr Kogan, the academic who allegedly collected private information from up to 87 million Facebook accounts and then gave the
cache to political consulting firm Cambridge
Analytica, also bought access to Twitter
data, according to a Sunday report from Bloomberg.
The other change worth considering is «Apps others use»: it's this which turned less than 300k people playing one Facebook research game into about a
data cache of 50m users and started the whole Cambridge
Analytica saga.
If one of your Facebook friends had happened to download the app made on behalf of Cambridge
Analytica in 2014 and decided to take the personality quiz, that person's profile
data, along with the profile
data of his friends, including yours, was likely in a
cache owned by a company whose job was to install a conservative in the White House.
It said Cambridge
Analytica, a subsidiary of the SCL political consultancy, did not use its
cache of
data in Donald J. Trump's 2016 campaign, and had no involvement in the European Union referendum that ended with a victory for those who support withdrawal, or Brexit, from the bloc.
A
cache of such
data — amounting to around 50m people — was passed to Cambridge
Analytica, the British research firm that has become controversial for its voter targeting work with both the Trump campaign in the 2016 US election and the earlier Brexit vote in the UK.
In March, The New York Times, working with The Observer of London and The Guardian, obtained a
cache of documents from inside Cambridge
Analytica, the
data firm principally owned by the right - wing donor Robert Mercer.
The
cache of
data that Channel 4 obtained was originally gathered by Cambridge
Analytica back in 2014 as part of the now infamous personal questionnaire.
Facebook may have hoped that founder and CEO Mark Zuckerberg explaining the process that led to Cambridge
Analytica receiving a 50m - strong
cache of personal
data culled from individual user accounts might have stemmed the tide of criticism, but that appears not to have been the case.