The technology known as Extensible Markup Language has become a nearly universal way to share information online. But there's a growing recognition that XML's benefits sometimes come with a price tag: sluggish performance.
That problem is now spawning efforts to speed up XML traffic. Proponents say a skinnier XML will boost the speed of everything from Internet commerce to data exchange between cell phones. But so far, there's no agreement on the technology to make that happen.
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