![]() ![]() Second, when humans write a number like 19, we write however many digits are necessary to represent the number - in this case, the two digits 1 and 9. Decimal 1 is binary 1, then decimal 2 is binary 10, decimal 3 is binary 11, decimal 4 is binary 100, and so forth. First, they use the binary number system, which has two possible values - 0 and 1 - instead of 10. As we all learned in grade school, you count 1, 2, 3, get to 9, then "roll over" to 10 and count 11, 12, 13, and so forth.Ĭomputers do things differently from humans in two important ways. Human beings count using the decimal number system. To understand YouTube's Gangnam Style problem, you have to understand how computers count. Psy, the man behind "Gangnam Style." (OZAN KOSE/AFP/Getty Images) Why was there a limit to the number of views YouTube could count? Why is the limit such a goofy number? And what did YouTube have to do to fix the glitch? Read on to find out. Without a software upgrade, the "Gangnam Style" counter would have begun showing the song getting negative 2.1 billion views. Because it stores numbers in binary, YouTube was only designed to record up to 2,147,483,647 video views. And that created some headaches for Google's engineers. ![]() The video for Psy's song "Gangnam Style" is the most-viewed video in the history of YouTube, with more than 2 billion views. ![]()
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