As long as the number of sent texts does not exceed the number of texts received, users can continue to send free, unrestricted messages.

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Many texts received can be from legitimate companies, and come after a box is ticked, or terms and conditions are agreed to that allow the company to get in touch.

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Extrapolating this figure to the population at large, this means 27% of all adult Americans have sent or received texts while driving.

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Mr Martin told the jury the woman who received the texts was not credible.

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What's satisfying is the number of emails, texts and phone calls we've received from every alum, every former coach.

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"Heather and I have been astounded by the amount of get-well cards, texts and e-mails we have received since it became known that she was ill, " said Clarke.

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Text messaging has been spruced up as well, allowing multiple recipients to be added at the same time when sending a message, automatically saving unsent texts as drafts and letting users edit received messages before forwarding them.

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