Desserts were also found to be a surprising source of hidden salt, Cash said, with five found to contain the same or more salt as a packet of crisps.

BBC: Salt content warning over children's meals

Immediately below it, a two year old is calmly munching her way though a packet of crisps, which seems to indicate that if the device works, it has not been turned on.

BBC: RELATED BBC SITES

Tesco is not revealing the nature and extent of the content it will be offering, but titles listed on the promotional webpage include Superman Brainiac Attacks, Care Bears, and Two Pints of Lager and a Packet of Crisps.

BBC: Tesco trials new on-demand film and TV service

Comedies Two Pints of Lager and a Packet of Crisps, Goodness Gracious Me and Alistair McGowan's Big Impression join dramas Carrie's War and Blackpool and children's classics Stig of the Dump and The Secret Garden on the free service, which can be accessed online at www.clubcardtv.com.

ENGADGET: Tesco signs up BBC content for its free Clubcard TV streaming service, includes plenty of cooking shows

It's 'I'll go in my trainers and take a butty, packet of crisps and a bottle of water'.

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Yet in the rich world pretty nearly every packed lunch in a schoolchild's satchel contains a packet of potato crisps heavily dosed with both.

ECONOMIST: Eating

She expressed concern at the number of children whose breakfast consisted of packet of crisps and a fizzy drink or fried meat in a bun.

BBC: Poorer children more likely to be obese, says Anna Soubry