Social media

In 2014, the UK suicide prevention group The Samaritans launched Radar, a Twitter-based service intended to leverage the social graph to identify people showing signs of suicidal intent on social media and alert their friends to reach out to offer them help. The app was quickly taken offline after

As of early 2018, Facebook's friends recommendations (People You May Know) are based on the address books users give them. However, Facebook has been filing patent applications for a new generation of technologies for collecting more information about its users and matching them more accurately. One

The Chinese company Tencent has issued a statement denying that it stores or analyses communications sent over WeChat, the country's most popular messaging platform after Geely Automobile chairman Li Shufu claimed there was no data privacy in China at a business forum. Shufu also claimed that

Facebook and Twitter have advised Damian Collins, the chair of the UK Parliament's digital, culture, media, and sport committee, that the companies will hand over some information relating to the rearch of Russia-backed posts during the EU referendum. Facebook has already given the US Senate similar

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

A mistake in Facebook's machine translation service led to the arrest and questioning of a Palestinian man by Israeli police. The man, a construction worker on the West Bank, posted a picture of himself leaning against a bulldozer like those that have been used in hit-and-run terrorist attacks, with

A 2017 Freedom House survey of 65 countries found that 30 of them were using armies of "opinion-shapers" to manipulate elections, advance anti-democratic agendas, and repress their citizens. Although most of these countries direct these efforts to manipulate opinion domestically, the report finds

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 2015, a newly launched image recognition function built into Yahoo's Flickr image hosting site automatically tagged images of black people with tags such as "ape" and "animal", and also tagged images of concentration camps with "sport" or "jungle gym". The company responded to user complaints by

Over the course of a few seconds in April 2013, a false tweet from a hacked account owned by the Associated Press is thought to have caused the Dow-Jones Industrial Average to drop 143.5 points and the Standard & Poor's 500 Index to lose more than $136 in value. The tweet was retweeted 4,000 times

By 2020, digital ad spending on political campaigns, which was about $22 million in 2008, is projected to reach $3.3 billion. Broadcast audiences in 2016 were about a quarter the size they were in the 1980s, and they are continuing to shrink, while half of US broadcast radio stations are expected to

FindFace compares photos to profile pictures on social network Vkontakte and works out identities with 70% reliability. Some have sounded the alarm about the potentially disturbing implications. Already the app has been used by a St Petersburg photographer to snap and identify people on the city’s

In 2016, Danish researchers Emil Kirkegaard and Julius Daugbjerg Bjerrekær released a dataset onto the Open Science Framework that included details of almost 70,000 users of the online dating site OkCupid. The researchers created the dataset themselves by using software to scrape information from

A new generation of technology has given local law enforcement officers in some parts of the US unprecedented power to peer into the lives of citizens. In Fresno, California, the police department's $600,000 Real Time Crime Center is providing a model for other such centres that have opened in New

In 2015, a small number of Silicon Valley start-ups began experimenting with assessing prospective borrowers in developing countries such as Kenya by inspecting their smartphones. Doing so, they claimed, enabled them to charge less in interest than more traditional microlenders, since many of their

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