Educational

In February 2008, users discovered that deleting their account from Facebook does not entirely remove it. Instead, the company's servers retained copies of the information in those accounts indefinitely even after those users telephoned the company to request full removal. The company argued that

In November 2007, Facebook launched Beacon, an advertising programme that allowed third-party sites to include a script that passed Facebook notifications about users' activities on their sites such as purchases, auction bids, reviews, and game-playing. The service as originally designed offered no

In 2006, Facebook redesigned its system to add News Feed and Mini-Feed features, which the company said were intended to give users information about their social world. The News Feed was designed to provide a constantly updated stream of stories including updates from each user's Friends and

Over the years from 2005, when Facebook was still known as "Thefacebook" and its membership was still limited to verifiable Harvard students, to 2010, Facebook changed its privacy policies many times. Over that time, the default circle of who could view users' data widened over time, first to

The first iteration of Facebook, which then-student Mark Zuckerberg launched at Harvard University in 2003, was known as "Facemash", and was based on a popular website of the day, Am I Hot or Not? Using photographs of students scraped from those collected by the university's houses of residence, the

A data breach at the Internet Research Agency, the Russian troll farm at the centre of Russia's interference in the 2016 US presidential election, reveals that one way the IRA operated was to use identities stolen from Americans. Using these accounts and other fake ones, the troll farm interacted

According to whistleblower Christopher Wylie, during the 2014 US midtern elections, Cambridge Analytica, needing data to complete the new products it had promised to political advisor Steve Bannon, harvested private information from the Facebook profiles of more than 50 million users without their

In March 2018, Facebook announced it was scrapping plans to show off new home products at its developer conference in May, in part because revelations about the use of internal advertising tools by Cambridge Analytica have angered the public. The new products were expected to include connected

Users downloading their Facebook histories have been startled to find that the company has been collecting call and SMS data. The company has responded by saying users are in control of what's uploaded to Facebook. However, the company also says it's a widely used practice when users first sign in

Behind the colourful bicycles and games rooms, Silicon Valley tech giants operate a strict code of secrecy, relying on a combination of cultural pressure, digital and physical surveillance, legal threats, and restricted stock to prevent and detect not only criminal activity and intellectual property

The Houston, Texas-based online dating startup Pheramor claims to use 11 "attraction genes" taken from DNA samples in its matchmaking algorithm. Launched in February 2018 in Houston with 3,000 users, Pheramor also encourages users to connect it to their social media profiles so it can datamine them

The small, portable GrayKey box, costing $15,000 for an internet-connected version tied to a specific location or $30,000 for an offline version usable anywhere, takes two minutes to install proprietary software designed to guess an iPhone's passcode. Intended for use by law enforcement officials

As part of its attempt to keep its 40,000 drivers operating on the streets of London after Transport for London ruled in October 2017 it was not "fit and proper" to run a taxi service, Uber has promised to share its anonymised data on travel conditions and journey times. TfL said in February 2018

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

The CEO of MoviePass, an app that charges users $10 a month in return for allowing them to watch a movie every day in any of the 90% of US theatres included in its programme, said in March 2018 that the company was exploring the idea of monetising the location data it collects. MoviePass was always