Correct option is A
• Digital footprint refers to the trace of user actions on digital platforms — browsing history, posts, search queries, cookies, location logs, even passive data captured unknowingly.
• Data mining is a technique used to:
– Analyze large datasets
– Identify patterns, correlations, and predictive insights
– Support decision-making and targeted marketing
• Organizations combine digital footprint + data mining for profiling, recommendations, fraud detection etc.
Correct association:
Digital footprint → online trace
Data mining → pattern extraction