I got this email from a friend, and it's quite amazing...

Carry out this test; it's quite bizarre. Just follow the instructions as quickly as possible but only one question at a time --do not carry on reading the following questions before you finish the previous one.  You do NOT need to write the answers, just do it using your mind. You'll be overwhelmed by the result. It's better to scroll down using the down arrow instead of using the mouse.
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>How much is: 15+6
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>3+56
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>89+2
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>12+53
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>75+26
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>25+52
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>63+32
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>I know! Calculations are hard work but this is the real thing!
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>Come on, a few more.
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>123+5
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>QUICK! THINK ABOUT A TOOL AND A COLOR!
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>Scroll further to the bottom....
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>A bit more....
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>Just a little further......
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You have just thought about a red hammer, haven't you?

If this is not the case, you are among 2% of the people who have a "different," if not "abnormal," mind.

98% of the folks would answer a "red hammer" while doing this exercise. If you do not believe this, pass it around and you'll see.
Freaky huh?