That seemingly small difference between functional price aggregators and inspirational recommendation sites is extremely important.

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On Wednesday, YouTube announced the next step in its transformation from destination to application, releasing a set of free software tools that let Web developers create fully functional YouTube players on their own sites.

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Several beta speech sites are up and running and should be functional in the fall, he said.

CNN: Graphic

But, unlike Mountain View's product, Mozilla has focused exclusively on mobile sites that are rarely as fast, stable or functional as their desktop counterparts.

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