I'm glad Microsoft decided to do this for free. It should help.
http://money.cnn.com/2015/07/15/technology/microsoft-photodna/index.html
http://money.cnn.com/2015/07/15/technology/microsoft-photodna/index.html
As Edmund Burke is paraphrased as saying, "The only thing necessary for the triumph of evil is for good men to do nothing."Is it sad that a tool had to be designed TO DO this?!?!
Good job MS!