You have no doubt seen it, and each time you do, you're being put in more danger.
Figures collated by a car insurance company found that thousands of people still make calls from behind the wheel - something which can have deadly consequences.
You can see the full report from Dan Ashby below.
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A dry day with bright or sunny spells. Rain comes through overnight into Sunday morning, before drier yet fresher weather develops
A look ahead at the forecast for the Tyne Tees region.
A businessman who ran three international export companies from his County Durham home has been jailed after an investigation by HMRC