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  selective attention test - YouTube

  https://www.youtube.com/watch?v=vJG698U2Mvo

  The original, world-famous awareness test from Daniel Simons and Christopher Chabris. Check out our book and website for more information (www.theinvisiblego...

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  How many videos are on YouTube? NUMBER OF Youtube 2.89 billion videos by 2013! Calculation shown. - YouTube

  https://www.youtube.com/watch?v=jpYCUn22l-E

  Website: http://www.EducateTube.com | Host: Sipski Today I will be showing you how to calculate how many videos are on Youtube. I tried to search the informa...

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