A lesson from Syria: it’s crucial not to fuel far-right conspiracy theories

Wild stories about a chemical weapon massacre in Syria gained traction. How that occurred is a matter of serious concern, writes Guardian columnist George Monbiot

Russia used hundreds of fake accounts to tweet about Brexit, data shows

Researchers discover that accounts run from troll farm in St Petersburg tried to sow discord between Britons

Energy price caps and big mergers will only serve to shore up the ‘big six’

In 2019, standard variable rates could be capped and Npower and SSE might be one company. Yet, even then, the customer may not see much benefit

The Guardian view on the Paradise Papers: a light on murky dealings

Editorial: Allowing the very richest to secede from the rest of society and choose the jurisdiction they operate under has led to an astonishing rise in global inequality

Jenna Abrams: the Trump-loving Twitter star who never really existed

This darling of the alt-right gained 70,000 followers and was quoted by numerous media organisations – despite being the creation of a Russia-based troll farm

‘Don’t tweet every thought’: is Michelle Obama having a dig at Trump?

In words interpreted as criticism of the US president, Obama warns of the dangers of using social media without thinking

Catherine Deneuve questions anti-harassment campaign in wake of Weinstein scandal

While expressing sympathy for victims of harassment, the actor has expressed doubts about the usefulness of social media outpourings and hashtag activism

Photobucket’s shock hosting fee is holding web users to ransom

It’s asking for £300 a year to release them, having never charged anything for years

Twitter further tightens abuse rules in attempt to prove it cares

Company updates rules on hate speech, revenge porn and violent groups to counter perceptions social network is not doing enough to protect users

Harvey Weinstein claims prompt sharing of ‘abuse of power’ stories

Writer Anne T Donahue gets huge response after telling of her own experience with a boss at a radio station

Social media stars breaching rules on promoting brands, watchdog says

Rise in complaints as ‘influencers’ on sites such as Instagram and Twitter fail to declare that they are being paid to publicise products

Brevity is the soul of Twitter. We don’t need 280 characters to say that

Twitter’s 140-character limit forces its users to be funnier. It can’t compete with Facebook and shouldn’t try

How selfies killed the postcard

A leading postcard firm is closing, so let’s celebrate a lost art, says freelance journalist Andy Dawson

Twitter says Trump’s threat to North Korea was ‘newsworthy’ and will not be taken down

Company rejects complaints that US president’s tweet was in violation of its terms of service

Social media stars face crackdown over money from brands

Instagram ‘influencers’ told to clarify paid-for ads, while health claims are taken down after advertising breaches