A hospital in the Netherlands is using virtual reality to try to alleviate the symptoms of people who suffer from chronic pain. VR glasses have long been used to try to overcome trauma and phobias.
Gone are the days when gonorrhea was associated with dark alleyways and backstreet brothels. Today, it's clear that anyone can become infected — and fast.
Facebook, Amazon, Google — why did they get so big, so fast? Economists say winner-takes-all "network effects" make such firms natural monopolies — and that we can expect network effects to become ever more important.
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