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'But Did You See the Gorilla?!' How to Make Your Blind Spots Work for You. Don't stress about your blind spots. Use them as opportunities to improve.

By Aytekin Tank

Opinions expressed by Entrepreneur contributors are their own.

Daniel Simons | YouTube

"The absence of evidence is not evidence of absence." - Carl Sagan

One of the most famous experiments in psychology includes a 1999 video by researchers Daniel Simons and Christopher Chabris. In the brief clip, six people – three wearing white shirts and three wearing black – repeatedly pass a basketball back and forth. Viewers are asked to count how many times the white-shirted players pass the ball.

After less than a minute, the pass-count question repeats and the following text appears on screen: "The correct answer is 15 passes. But did you see the gorilla?!"

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