Why are the original/raw data not readily usable by analytics tasks

SOLUTION AT Australian Expert Writers

Part 1: 
Why are the /raw data not readily usable by analytics tasks? What are the main data preprocessing steps? List and explain in analytics. And also, write 2 Comments, each 200+ words on above topic. 
Part 2:
What are the privacy with data ? Do you think they are substantiated? And also, write 2 Comments, each 200+ words on above topic. 

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