Instruction: Read an article below:

McAFee, A., & Brynjolfsson, E. (2012). Big data: The management revolution. Harvard Business Review, 90(10), 59-68.

Answer the following questions.

1. What are three key differences in the big data movement when it is compared with analytics?

2. According to the case, it is estimated that Walmart collects more than 2.5 petabytes of data every hour from its customer transactions. How many filing cabinets' worth of text are 2.5 petabytes equivalent to?

3. How did MIT Media Lab estimate Macy's sales on Black Friday?

4. Erik and Lynn Wu's prediction about housing-price changes in metropolitan areas across the United States proved more accurate than the official one from the National Association of Realtors. What data did they use?

5. How could researchers at the Johns Hopkins School of Medicine predict surges in flu-related emergency room visits a week before warnings came from the Centers of Disease Control?

6. Provide evidence that using big data intelligently will improve business performance.

7. PASSUR developed a service RightETA. What does ETA stand for? (Search Internet)

8. How was Sears able to reduce the cycle time to generate personalized promotions from 8 weeks to one week?

9. What does "HiPPO" stand for?

10. What are two techniques that executives can employ if they are interested in leading a big data transition?

11. Illustrate at least two barriers to the success of big data implementation.

Word count: 1,123(3.74 pages)