Answer — Exercise 4
Unit 8 - Documentary Video Worksheet·Focus 5 (2nd edition) - Student's Book
Question
Watch the video again. Make notes under the headings.
Answer
Positive ways big data is used:
- flood alerts
- natural disaster response systems
- to reduce bicycle accidents
- to prevent fraud
- allows free access to services
- transparency of public services
Negative ways big data is used:
- to try to sell you things
- credit checks
- lack of privacy
Could be positive or negative:
- transport
- healthcare digital database for research / sharing medical records
- targeted adverts