Suppose you are an ad-serving company and you have a log of cookie data for ads served to Web pages of all your customers (Amazon, Facebook, etc.).

a. Describe, in general terms, how you can process the cookie data to associate log entries for a particular IP address.

b. Explain how your answers to question 9-12 change given that you have this additional data.

c. Describe how you can use this log data to determine users who consistently seek the lowest price.

d. Describe how you can use this log data to determine users who consistently seek the latest fashion.

e. Explain why uses like those in parts c and d are only possible with MapReduce or similar technique.