Check this out, it's really cool




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







Finished?

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 reason is...

The mind cannot process the word "OF"