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Mason Triplett on 1/16/2012
Daniel Sidelsky on 7/13/2011
Daniel Sidelsky on 7/12/2011
Thomas McGinniss on 3/23/2011
Dallas, Texas, United States / July 13, 2011
Daniel Sidelsky counted 24 numbers inbinaryin 30 seconds.
Wow. A new record. Amazing.
highest, number, counting, binary numbers