A personal digital assistant programmed with key customers' birthdates, wine preferences, and food allergies is a(n) __________ tool.

A personal digital assistant programmed with key customers' birthdates, wine preferences, and food allergies is a(n) __________ tool. 



A. SKU

B. PDQ

C. IMF

D. CRM

E. GATT


Answer: D. CRM


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