91热爆

How YouTube decides what you should watch

The secrets of YouTube鈥檚 powerful algorithm in the words of a former company insider.

• 23 mins

When threatening private messages go public

How graphic and threatening messages on Facebook were exposed by university students.

• 23 mins

The volunteers fighting hate on Facebook

Thousands have joined closed groups to stop hate. Who are the activists of #IAmHere?

• 23 mins

The 23-year-old fixing the world of online debate

How do you get people to talk to each other politely on the internet?

• 23 mins

The man who kick-started the Egyptian revolution

Wael Ghonim was behind a Facebook page that called people to Tahrir Square in 2011.

• 23 mins

How scammers took advantage of #BlueForSudan

鈥淪ympathy scammers鈥� are exploiting online support for Sudanese protesters.

• 23 mins

The Emirati women fleeing their faith and family

Why are women from the United Arab Emirates fleeing their country?

• 22 mins

Is YouTube to blame for the rise of flat Earth?

The social media giant is accused of promoting videos arguing the Earth isn't round.

• 24 mins

How influential is a pro-Trump conspiracy theory?

We find out how QAnon may affect next year鈥檚 US presidential election.

• 23 mins

What happens after you go viral?

Two stories about social media storms. What happened after the crowds moved on?

• 25 mins

Can YouTube be trusted?

YouTube responds to accusations it has allowed harmful content to spread on its platform.

• 25 mins

The people who want humans to stop having babies

Who are the 鈥渁nti-natalists鈥� and why do they want the gradual extinction of humanity?

• 23 mins

Facebook鈥檚 market for illicit antiquities

Do platforms like Facebook facilitate the illegal trafficking of art and artefacts?

• 23 mins

We were promised a baby on Instagram

How a scammer used social media to promise babies to adoptive couples.

• 22 mins

Living with China鈥檚 social media censorship

How do Chinese social media users navigate government censorship?

• 24 mins

The hunt for red mercury

A substance with allegedly magical properties is being sold online鈥�only it doesn鈥檛 exist.

• 23 mins

Algeria鈥檚 disinformation battle

Fake news and web trolls have been shaping the conversation about Algeria's future.

• 23 mins

The problem with the viral celery juice 鈥榗ure鈥�

An influencer claims he can help cure chronic illnesses by getting advice from spirits.

• 23 mins

How worried should we be about deepfakes?

It鈥檚 been a subject of scary headlines, but what鈥檚 the truth about fake video technology?

• 23 mins

Can an algorithm be racist?

An artificial intelligence expert says the internet is dividing us and making us angrier.

• 23 mins

Cuba鈥檚 digital revolution

Cubans are getting online 鈥� so how is the internet transforming this communist country?

• 50 mins

Why Greek activists are telling tourists to leave

How an anarchist enclave in Athens started a conversation about gentrification.

• 24 mins

The rise of the 'Brazilian butt lift'

One woman鈥檚 journey as she decides whether to have her bottom enhanced.

• 23 mins

The Instagram suicide network

How one teenager鈥檚 phone revealed a secret network of people sharing suicidal thoughts

• 23 mins

The 鈥榣ifeguard鈥� who saves women on Instagram

One woman has a mission to save the lives of people who post suicidal thoughts online.

• 18 mins

How 'state-sponsored trolling' works

More governments around the world are 鈥渢rolling鈥� 鈥� what are they doing, and why?

• 18 mins

The grannies against the far-right

A small Facebook group started a conversation about ring-wing populism across Europe.

• 22 mins

The 鈥榦nline slave market鈥� aided by Silicon Valley

Women in Kuwait are being trafficked on apps. Experts call it an 鈥榦nline slave market鈥�.

• 18 mins

Life after YouTube fame

Dax Flame was once a top YouTuber. Where did it all go wrong 鈥� and what is he doing now?

• 17 mins

Did Russia leak British secrets online?

How a trove of confidential documents mysteriously emerged on a social media site

• 17 mins