(DO EXACTLY WHAT IT SAYS)

Count the number of 'F' in the following sentence:

FINISHED FILES ARE THE RE-
SULT OF YEARS OF SCIENTIF-
IC STUDY COMBINED WITH THE
EXPERIENCE OF YEARS.



Manage it? Scroll down only after you have counted them. OK?
































































How many? Three?
Wrong! There are six - no joke!
Read it again!
The reasoning is further down the page...














































The brain cannot process "OF".
Incredible or what?
Anyone who counts all six 'F' on the first go is a genius
- three is normal,
- four is quite rare.
- five: what is your problem?


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