Surge pricing comes to the supermarket

Online retailers are increasingly using your personal data profile to decide how much to charge you for purchases. And high-street shops are about to get in on the act

Is it OK to keep posting photos of my kids on Facebook?

Even aside from privacy concerns, sharing photos means involving your children in social media’s erratic emotional economy

Parents lose appeal over access to dead girl’s Facebook account

Berlin court rules parents of 15-year-old, who want to know if she was being bullied, cannot see her chat history

Stephen Fry: Facebook and other platforms should be classed as publishers

Speaking at Hay festival, writer accuses ‘aggregating news agencies’ of not taking responsibility for their content

Tories pledge to push social media firms to fight online extremism

Ben Wallace, the security minister, says a Conservative government would consider financial penalties to force tech firms to act

Move fast, Zuckerberg, or hate will kill Facebook

With 1.3 million new posts every minute, it’s impossible for the company’s moderators to filter out all the nasty stuff

Theresa May calls on tech firms to lead fight against online extremism

G7 leaders urged to put pressure on companies such as Facebook and Google, as PM says fight against Isis is shifting from the ‘battlefield to the internet’

How we integrated off-platform at the Guardian

Publishing to platforms other than your website is sometimes necessary but can be scary. Discover how we adapted our editorial and analytics tools to better understand our audience and the potential of new publishing platforms.

Facebook and YouTube face tough new laws on extremist and explicit video

In wake of objectionable videos of murders, rapes and assaults, Europe proposes new rules and fines to force social media firms to tackle online video

How Facebook flouts Holocaust denial laws except where it fears being sued

Leaked guidelines for moderators also reveal refugees are not protected by hate speech rules because they are a ‘hot topic’

Facebook struggles with ‘mission impossible’ to stop online extremism

Social media giant faces criticism for doing too little to prevent extremist content as terrorists find ways of bypassing its rules

How Facebook allows users to post footage of children being bullied

Leaked guidelines on cruel and abusive posts also show how company judges who ‘deserves our protection’ and who doesn’t

‘No grey areas’: experts urge Facebook to change moderation policies

Labour’s Yvette Cooper is among those calling for more transparency from the company in wake of Guardian revelations

How social media filter bubbles and algorithms influence the election

With Facebook becoming a key electoral battleground, researchers are studying how automated accounts are used to alter political debate online

Environmentalism used to be about defending the wild – not any more

We’re domesticating areas instead of protecting them. Living without technology I’ve found my place in the natural world – and this path could be our salvation