http://blogs.technet.com/b/brucecowper/archive/2012/03/21/microsoft-photodna-technology-helping-law-enforcement-fight-child-pornography.aspxHaving worked with Law Enforcement around the world for many years, there is always a huge demand for tools and resources to help investigations. One such tool is PhotoDNA , which essentially creates something like a fingerprint of an image which canen-CATelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)