By using speed reading software, you can improve your facilities of speed reading. You don't need to do any special exercises; it is enough to read and to practice periodically. Take a Look at these free online speed reading techniques.
All texts contain 50% of garbage. Try to remove 50% of letters and you still will be able to read the text. Try to understand this simple idea and you speed reading will go up. Human mind can read words like Chinese hieroglyphs (you see the the picture and understand the mean of it).
You can mix the letters and still read the text. Try to understand this simple idea and you speed reading will go up. You can read the text by groups of words. If you cut the paper of text by a pair of scissors and mix the slice of text and you can also read the text. The speed reading will also improve if you widen your eye span.
