The Invention of Friends (Dunbar’s Number) – YouTube

Are You Actually Tech-Savvy or Just Dependent? – ReadWrite

Knowing how to use smart devices doesn’t mean you’re savvy, and there’s a huge — but subtle — difference between being savvy and being dependent.

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Photographer asks teens to edit their portraits for social media, and the results are alarming – DIY Photography

When you take a selfie, when is it ready to be posted on social media? How much editing does it need before you share it with your followers? British photographer John Rankin Waddell, aka Rankin,

Read more: Photographer asks teens to edit their portraits for social media, and the results are alarming – DIY Photography

The map we need if we want to think about how global living conditions are changing – Our World in Data

This blog post draws on data and research discussed in our entry on World Population Growth.UPDATE: On September 20 and again on October 7 I have updated the World Population Cartogram and made a number of minor changes.

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Loneliness is a serious public-health problem – All the lonely people

[…] Doctors and policymakers in the rich world are increasingly worried about loneliness. Campaigns to reduce it have been launched in Britain, Denmark and Australia. In Japan the government has surveyed hikikomori, or “people who shut themselves in their homes”. Last year Vivek Murthy, a former surgeon-general of the United States, called loneliness an epidemic, likening its impact on health to obesity or smoking 15 cigarettes per day. In January Theresa May, the British prime minister, appointed a minister for loneliness.

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