The key answer of exercise 4
The key to exercise solutions in chapter Unit 8 - Documentary Video Worksheet for the textbook Focus 5 (2nd edition) - Student's Book with authors Sue Kay, Vaughan Jones, Monica Berlis, Heather Jones and Daniel Brawshaw from Pearson Education
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
Similar Books
