Melvyn Koh, at center, tries out Italian company Aviointeriors' aircraft "standing seat" which has 23 inches of legroom instead of the current economy class average of 30 inches.

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Melvyn Koh, at center, tries out Italian company Aviointeriors' aircraft "standing seat" which has 23 inches of legroom instead of the current economy class average of 30 inches.
Melvyn Koh, at center, tries out Italian company Aviointeriors' aircraft "standing seat" which has 23 inches of legroom instead of the current economy class average of 30 inches.
Credit: Lucy Nicholson/Reuters