Count the number of 'F's in the following text:


FINISHED FILES ARE THE RE-
SULT OF YEARS OF SCIENTIF-
IC 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!
The reasoning is further down...





















The brain cannot process "OF".
Incredible or what?
Anyone who counts all six 'F' on the first
go is a genius or insane, Three is normal.