DATABASE FUNDAMENTALS
BASICS OF BIG DATA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Facebook had collected all this data
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Facebook will collect all this data
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Facebook collected all this data
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Facebook collects all this data
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Detailed explanation-1: -Messages you send and receive, including their content, subject to applicable law. Metadata about content and messages, subject to applicable law. Types of content you view or interact with, and how you interact with it. Apps and features you use, and what actions you take in them.
Detailed explanation-2: -Facebook Statistics on Data and Usage. Facebook generates 4 petabytes of data per day-that’s a million gigabytes. All that data is stored in what is known as the Hive, which contains about 300 petabytes of data.
Detailed explanation-3: -But Facebook has much more data on most people than they realize. Facebook can take all the data that you submit and combine it with data from other users and outside information to construct a profile of you. Facebook uses nearly 100 different data points to classify your interests and activities.