A book on Big Data.

[David]

http://www.npr.org/2013/03/07/173176...dict-our-lives

[TonyT]

More than one in every five Americans has untreated cavities, a new government report shows.

"Untreated tooth decay is prevalent in the U.S." said report co-author Dr. Bruce Dye, an epidemiologist at the U.S. Centers for Disease Control and Prevention's National Center for Health Statistics. "It appears that we haven't been able to make any significant strides during the last decade to reduce untreated cavities."
http://health.usnews.com/health-news...d-cavities-cdc

If you could get a hold of some of Google's big data you could market to those 20% of us and clean up!