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It may not have an accelerometer. Or an OLED. Or lasers. Or image-stabilization. You can't even plug it in to an electric socket. But the Herman Miller Embody chair has got its back (and yours) covered with meticulous engineering. The thing is adjustable to Asperger's levels of obsession; controls exist to cradle your lumbar, hips and neck. Plus the multilayered seat absorbs even the most microscopic shifts in weight, cupping your derriere no matter how much (or little) you move. It's the greatest breakthrough in ass-to-comfort technology since, well, the Aeron chair.