For an app with so much riding on it, NHS Covid-19 is at first sight very simple and extraordinarily unexciting. Source

Motorola has revived its slim Razr flip phone, some 15 years after the original “game changing” device hit the market. Source

TikTok is thought to have about half a billion active users worldwide, with a large percentage in their teens or early 20s. Source

Chinese tech giant Xiaomi has unveiled the world's first mainstream handset to feature a 108 megapixel camera. The extra high-resolution sensor was developed by Samsung, which has yet to feature it in its own products. Source

Microsoft Japan said sales had been boosted by nearly 40% during an experiment in which staff worked a four-day week on full pay. Source

Police Scotland has unveiled a new aerial drone system to help in searches for missing and vulnerable people. The remotely-piloted aircraft system (RPAS) can see things we can't to try to work out where people are. Source

The Pentagon has awarded a $10bn (£8bn) cloud-computing contract to Microsoft, following a heavily scrutinised bidding process in which Amazon had been seen as the favourite. Source

Amy says it all started when her husband seemed to know intimate details about her friends. "He would drop snippets into conversations, such as knowing about Sarah's baby. Really private things that he shouldn't have known about. If I asked how he knew these things, he'd say I'd told him and accuse me of losing [...]

Banning staff from accessing their work emails outside office hours could do more harm than good to employee wellbeing, a study suggests. Source

Should you inform visitors to your home that smart speakers could pick up what they say? And when it comes to staring at Twitter on your phone, how much is too much? Source

A senior manager at Eurofins, the UK's biggest forensic services provider which was hit by a cyber-attack in June, has warned the country to "ready itself" for further attacks. Source

A man has been able to move all four of his paralysed limbs with a mind-controlled exoskeleton suit, French researchers report. Source