Count the F

Quick Eye Exam... 
This will blow your mind...! 
Just do it - don't cheat!!!!!!!!!!!! 
Try this its actually quite good. 
But don't cheat! 
Count the number of F's in the following text: 
FINISHED FILES ARE THE
RESULT OF YEARS OF SCIENTIFIC 
STUDY COMBINED WITH THE
EXPERIENCE OF YEARS 
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Managed it? 
Scroll down only after you have counted them!

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OK?
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How many?
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Three?
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Wrong, there are six - no joke! 
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Read again! 
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FINISHED FILES ARE THE
RESULT OF YEARS OF SCIENTIFIC
STUDY COMBINED WITH THE
EXPERIENCE OF YEARS
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The reasoning is further down... 
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The brain cannot process the word "OF". 
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Incredible or what? 
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Anyone who counts all six F's on the first go is a genius 
Three is normal.
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Now sent this to all your friends and see if you are the only one that can't count the F's

Cool huh?...anywhay,I thought of posting a game here so here it is... tell me what u think:D