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    Big data is a lot of sets of information which are put together so they can be used by computer program. The computer program looks for different kinds   answers or patterns in the data. Big data can be used in many ways. The government uses it understand how many people travel on buses or trains. This information then used for making bus or train systems better. Some schools use big data to understand which children may need extra help in class. Then the teacher can give certain students more help or support,  those students can succeed in the school. Companies use big data, too. It helps them understand who buys their products. For example, one company uses weather data to see when people eat most ice-cream.

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