What is big data?

1a. With a partner: 

1b. Alone: 

2. Big data is large amounts of data, generally hundreds of terabytes to a few petabytes worth. This data is usually useful for various reasons, whether it be finding out weather patterns or see peoples feelings towards some topics on twitter. It’s usually not completely useless, and doesn’t help with anything. It is usually gathered through sensors or other measurement devices.

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