apps

How to turn on dark mode on all your apps and devices

Many people will be familiar with the feeling: after hours spent looking at screens your eyes get tired and the white background of just about every web page and app can seem blinding, no matter how low you turn down the brightness.

Dark mode is there to help. It switches the colours of your screens, to give everything a black or dark background with white text and objects. You can use it on your phone or computer, on just specific apps or across a whole operating system.

Fans of dark mode will wax lyrical on the benefits – that it

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Coronavirus contact tracing apps were meant to save us. They won’t

When you’re in the supermarket queue in January 2021 – socially distanced from those around you by two metres – and the phone in your pocket buzzes with a notification from the contact tracing app you installed six months ago, the routine will be familiar. After all, you have been through the process multiple times already.

Someone you crossed paths with last week – the app doesn’t tell you who – has tested positive for coronavirus. It tells you to go home straight away. You must self-isolate until a test has been completed. The test, as with those before

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