1. Unpredictable consumer behaviour
2. Fragmentation
3. Time consuming
4. Costly
5. Dynamic environment
6. Too complex
7. Lack of availability of data
8. Incorrect inferences
1. Unpredictable consumer behaviour
2. Fragmentation
3. Time consuming
4. Costly
5. Dynamic environment
6. Too complex
7. Lack of availability of data
8. Incorrect inferences
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