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The 2014 book "What If?" is a collection of interesting questions and answers posted to a popular blog. In this column, the blog's owner tries to provide scientifically valid answers to strange questions, such as "What if everyone actually had just one soul mate - one random person somewhere in the world? Could they ever meet?"

Who is the author and what popular website does he run?

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This day last year: Q.1139

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In Jan 2017, Finland became the first country in Europe to officially experiment with this socio-economic concept. Similar experiments are scheduled for many Dutch cities and the Canadian city of Ontario in 2017. In the case of Finland, the figure is 560 Euros a month. What concept?

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