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Emails, videos and social posts have no predefined shape and need advanced techniques to analyse. Those are:
AIndexed data
BUnstructured data
CEncrypted data
DDuplicated data
Answer & Solution
Correct answer: B. Unstructured data
1. No fixed structure exists.
2. Analysis takes extra work.
3. It is unstructured data.
_Source: OpenStax Foundations of Information Systems, Chapter 3, Database Management Systems._
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