Days after banning ads prematurely declaring victory in the presidential election, Facebook has now banned those questioning the US electoral process.
Amazon's smart home security division Ring has unveiled a flying camera that launches if sensors detect a potential home break-in.
Facebook, YouTube and Twitter have agreed a deal with major advertisers on how they define harmful content.
This summer's Arctic sea-ice shrank to its second lowest ever extent in the era of satellite observation.
Tech firms have been urged to stop advertising to under-18s in an open letter signed by MPs, academics and children's-rights advocates.
Facebook has unveiled its second-generation Oculus Quest virtual reality headset, promising higher-quality visuals at a significantly lower price than many had predicted.
Apple has unveiled a new personalised workout subscription service alongside new smartwatches and tablet computers.