4 million women over 75 in Romania live alone.
Vodafone wanted to demonstrate how technology and social media can change lives for the better.
They connected grannies used to cooking for families to students who missed the quality and socialability of Sunday lunches.
A documentary of the project turned the grannies into celebrities and encouraged grannies across Romania to get involved.
Social media adoption by seniors trebled and there was a 78% increase in sales of smart phones.
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