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(Choose 1 answer)
How do anonymized datasets fall short of their goal of being anonymous?
A. Anonymized datasets can be re-identifyed by anyone holding the hash key
B. Anonymized datasets aren't actually anonymous because many of the data fields can identify a user
C. Anonymized datasets can be traced back to the individuals by looking at their browsing history in the app
D. Anonymized datasets can be combined with other datasets, which can re-identify individuals
