Teaser 6:
This teaser is called 'Alzheimer's' eye test' and it's the most.... well... you're about to find out:
Count every 'F'' letter in the following text:
FINISHED FILES ARE THE RE
SULT OF YEARS OF SCIENTI
FIC STUDY COMBINED WITH
THE EXPERIENCE OF YEARS...Well how many F's did you count?
WRONG!
THERE ARE 6 F's -- no joke.
READ IT AGAIN.
Really, go back and try to find the 6 F's before you scroll down.
Still can't find 6 F's? Well the reason why is further down...
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The brain cannot process 'OF'.