Take your time and see if you can read each line aloud without a mistake. The average person can't.

This is this cat


This is is cat


This is how cat


This is to cat


This is keep cat


This is an cat


This is old cat


This is person cat


This is busy cat


This is for cat


This is forty cat


This is seconds cat


Now go back and read the THIRD word in each line from the top down and I betcha you can't resist passing it on
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