It's a status issue, and I think it's really changed because you have a lot of women now who are very, very powerful in business, and the men in their lives, a lot of times, are not as important.

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If you want to find out how air travel has changed in recent years, you could learn a lot just by following the Eldridge family through the airport in Philadelphia.

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The reason for the silence is pretty clear, when you get down to it -- not a lot has changed here.

ENGADGET: Sony HMZ-T2 3D display, heads-in (video) HD