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

Managed it?

Scroll down only after you have counted them!
 

OK?
 

How many?
 
 

Three?
 
 

Wrong, there are six - no joke!
 

Read again!
 
 

FINISHED FILES ARE THE
RESULT OF YEARS OF SCIENTIFIC
STUDY COMBINED WITH THE
EXPERIENCE OF YEARS
 

The reasoning is the brain cannot
process the word "OF".

Incredible or what?

Anyone who counts all
six F's on the first go is a genius.

Three is normal.
 

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