Khan Academy announced this morning that it has raised $5 million from the O’Sullivan Foundation (a foundation created by Irish engineer and investor Sean O’Sullivan). The money is earmarked for several initiatives: expanding the Khan Academy faculty, creating a content management system so that others can use the program’s learning analytics system, and building an actual brick-and-mortar school, beginning with a summer camp program.
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The difference between 480p and 1080i is not as large as you think it is. Hint: the "p" and "i" are important qualifiers.