According to a speed-reading testsponsored by Staples as part of an e-book promotion (brilliant marketing, by the way), here are the typical speeds at which humans read, and in theory comprehend, at various stages of educational development:Third-grade students = 150 words per minute (wpm)

Eight grade students = 250

Average college student = 450

Average “high level exec” = 575

Average college professor = 675

Speed readers = 1,500

World speed reading champion = 4,700

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