Dementia-sufferers usually have severe memory loss. A virtual-reality project in Britain has found a way to help. Patients don a VR headset to immerse themselves in the past and stimulate their memories.
"Carne y Arena," the groundbreaking VR art project by Oscar-winning director Alejandro Gonzalez Inarritu brings to life the fear and violence experienced by refugees crossing the border from Mexico to the US.
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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