"Loneliness among the over-65s could be tackled by training more older people to use the internet, a report by a centre-right think tank has suggested.

"Policy Exchange has called for every person in the UK to be taught basic digital skills, including how to send emails and use social networking sites.

"Training 6.2 million people without basic digital skills would cost £875m by 2020, or £141 per person, it said.

"It said training would help pensioners stay connected with friends and family."

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