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It is now all gear change; the future of BCI is almost as organic as slipping on your dream pair of sunglasses. You are right in front of your desktop, and you want to launch your favourite app. But ...

Gabe “Gaben” Newell, one of the cofounders of Valve — the fascinatingly hierarchy-less gaming company behind everything from the Steam gaming marketplace to the Half-Life franchise — has for years ...