More than half of all data remains untagged and unclassified by Bob Violino via @infomgmt

A new study finds that companies have limited or no visibility over vast volumes of potentially business-critical data, creating a ripe target for hackers.

This is definitely an untapped resource within any company and exactly what an unstructured database would be good for was you start to investigate and sort out the format of the data and how to get sensible information from. You might find that with a little investment in the right resource it could become a valuable data source.