The average person if they chose to push their brain power could become fluent in many languages, routinely memorize 100 digit numbers, know the first names of 100 people within 30 minutes of being in a room and be a subject matter expert on any subject that they chose.
Is this a dream or science fiction? Can someone actually read a book in 30 minutes? First, let's ask where the idea of speed reading originated. A woman named Evelyn Wood turned in an 80 page paper to her college professor expecting him to read and return it the next day. To her surprise he read the entire paper in seconds and graded it immediately