On the face of it, it's hardly news worth noting. What's important about this is that it shows Ubuntu is being taken seriously by IHVs.
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Peripheral builders do not go to the trouble of making software for a Linux distribution, much less going to the additional expense and time of getting certification, unless they believe consumers and businesses are going to be adopting it in large, that is to say, profitable, numbers. That is especially true in the small margin, small volume world of less common peripherals such as UPSs.