Growing number of people in the US today are switching to widescreen HD TVs for their homes. The demand for HD TVs is galloping every year, and the prices of these high-definition marvels seem to be dropping every year. Optimistic as it might seem, there still are a great many people out there in America who use conventional CRT TVs or mediocre HD-ready LCD sets. There are also many people who do not want or cannot afford high-definition content on their TV sets. Such people are usually content with SD content, which means Standard Definition content.
Unlike high definition content, standard definition content has a much lower resolution, or number of pixels. The very pixels are also rectangular and not square, as is the
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