Examples of Abuse

In 2015, The Intercept obtained documents showing that the Mall of America in Bloomington, Minnesota used a fake Facebook account to friend and monitor local Black Lives Matter activists, and collect their personal information and photographs without their knowledge. The account was discovered in a

Princeton University's WebTap - Web Transparency and Accountability - project conducts a monthly automated census of 1 million websites to measure tracking and privacy. The census detects and measures many or most of the known privacy violations researchers have found in the past: circumvention of

Le Monde exposed anti-IVG (anti-abortion) advertising on Facebook as part of a borader campaign led by anti-abortion website IVG.net. The advertisement relied on stock photos and fake testimonies posted in public Facebook groups and promoted to young women. Most of the posts attempt to promote the

The accuracy of Facebook's ad targeting sometimes leads users to believe that Facebook is spying on them by tapping the microphones in their phones. Facebook has denied the practice - and is likely telling the truth because uploading and scanning the amount of audio data such a system would involve

In 2016, Facebook and its photo-sharing subsidiary Instagram rolled out a new reporting tool that lets users anonymously flag posts that suggest friends are threatening self-harm or suicide. The act of flagging the post triggers a message from Instagram to the user in question offering support

In a December 2018 update, Facebook so effectively disguised sponsored posts that it took AdBlocker Plus a month, instead of the more usual few days, to find a way to counter it. Facebook has responded to the threat posed to its business model by adblockers by both providing users with advertising

Among the friends Facebook recommended to Kashmir Hill as people she might know was Rebecca Porter, to the best of her knowledge a total stranger. Because Hill was studying how the "black box" of Facebook recommendations worked, she contacted Porter to ask what the connection might be. To her

In May 2009, University of Cambridge computer science researcher Joseph Bonneau discovered as part of his research that many social network respond to user requests to delete photographs by hiding them while remaining them on their servers. Among the worst offenders were Facebook, MySpace, Bebo, and

In October 2010, the Wall Street Journal discovered that apps on Facebook were sending identifying information such as the names of users and their Friends to myriad third-party app advertising and internet tracking companies. All of the ten most popular Facebook apps, including Zynga's FarmVille

In early 2011, Facebook launched "Sponsored Stories", an advertising product that used content from members' posts inside ads displayed on the service. Drawing on Likes, check-ins, and comments, a Sponsored Story might use a member's photograph and their comments from a coffee shop to create an ad

In June 2011, Facebook enabled an automatic facial recognition called "Tag Suggestions" based on its research project DeepFace, requiring users who objected to opt out. The feature scanned the faces in newly uploaded photographs and compared them to those in the billions of images already on the

Nearly 700,000 Facebook users were subjects of a research study where researchers changed randomly selected users' newsfeeds to be more positive or negative to study whether those users then displayed a more positive or negative affect in response. The experiment showed the power of Facebook's control over the News Feed and the algorithms that determine which of the possible pieces of content shows up at the top at any given moment.

In 2015, Facebook's AI lab announced that its researchers had devised an experimental algorithm that could recognise people in photographs even when their faces are hidden or turned away. The researchers trained a sophisticated neural network on a dataset of 40,000 photographs taken from Flickr

In 2019, a prominent page on the Facebook Business site cited the British Conservative Party as a "success story" at the 2015 general election, which put the party into power with a narrow majority. The site boasted that via Facebook the Conservatives had an 80.6% reach in key constituencies, 3.5

In what proved to be the first of several years of scandals over the use of personal data in illegal, anti-democratic campaigning, in 2015 the Guardian discovered that Ted Cruz's campaign for the US presidency paid at least $750,000 that year to use tens of millions of profiles of Facebook users

In 2016, Facebook and Google began introducing ways to measure the effectiveness of online ads by linking them to offline sales and in-store visits. Facebook's measurement tools are intended to allow stores to see how many people visit in person after seeing a Facebook campaign, and the company

In 2016, Facebook gave conflicting accounts of whether the service uses location data in order to recommend prospective Friends in its "People You May Know" feature. When the company first admitted - for publication - that location data was indeed one of the signals it used, many users felt this

In 2016, the American Civil Liberties Union of Northern California published a report revealing that the social media monitoring service Geofeedia had suggested it could help police track protesters. The report's publication led Twitter and Facebook to restrict Geofeedia's access to their bulk data

In a November 2017 report, Facebook's security group outlined the steps it would take to combat new forms of misuse of the platform, including attempts to deceive people and manipulate civic discourse at low cost or risk to the organisers. Among the drivers, the group cited the global reach Facebook

Facebook has come under fire after leaked documents revealed the social media site has been targeting potentially vulnerable children. The allegations suggest the company is gathering information on young people who “need a confidence boost” to facilitate predatory advertising practices