For car enthusiasts, this week’s debut of the BMW 7 Series uber-premium sedan was a big event. The look, feel and drive of the car is the usual work of art that the German auto-maker routinely delivers, as are the many little touches that scream out luxury ride: touch-sensitive climate control gear, a fragrance injector for the cabin, a panoramic moon roof with a sky scene etched into the glass, to name just a few.

For tech aficionados — or at least those watching the evolution of gesture recognition technology — the debut, likewise, was a grand occasion, albeit for a much different reason (well, okay, I would guess this group was also impressed by the aforementioned).

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