Questions: What are the three key types of big data analytics?

Questions:

1. What are the three key types of big data analytics?  Describe each.
2. Describe the importance of each of the three types of analytics to a Digital Enterprise, including potential advantages.
3. How has the pace of analytics been affected by the ubiquity and mobility of modern computing devices?
4. Defend or refute the statement:  "The hardware and software decisions within the implementation of big data analytics are less important than understanding what are the relevant questions to be answered by big data analytics efforts."