You might have heard the word ‘nit’ crop up a few times during the latest Apple event, but what are they, and do you need them?

After the announcement that the iPhone 13 and the iPhone 13 Pro both have 800 nits of brightness, we wouldn’t blame you if you didn’t really understand why that was a good thing.

Nits are related to the brightness of a screen and are used as a measurement when talking about TVs as well as smartphones, and other devices with a screen.
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