Before Emily Started Her Transaction at a Retailer,the Cashier Requests

Multiple Choice

Before Emily started her transaction at a retailer,the cashier requests her to register her fingerprints and credit card details.Emily can now pay for products without having to use her credit card or cash each time she shops.Her fingerprint would suffice.Which method of collecting customer data is the retailer using?

A) Placing RFID chips on merchandise
B) Using market basket analysis
C) Using biometrics
D) Connecting Internet and store purchasing data
E) Using cookies