DiDacTex is a play on the word Didactic which means to teach. DidacTex was founded to help people learn to use the information in their image. DiDacTex, LLC was started by Evelyn J. Boettcher in 2014 focusing initially on mobile apps.
What is Hidden Image Information?
Aaron Schock Spending Investigation used the GeoTags and time stamps hidden inside the image to look for fraud. "Associated Press, for example, took the ingenious and laborious approach of cross-referencing Schock's Instagram photos with travel records." Wash Post, March 17th, 2015
Using only publicly available images of the Trinity Test, physicist G.I Taylor was able to calculate the amount of energy released from this nuclear bomb. He was ‘mildly admonished by the US Army for publishing his deductions from their (unclassified) photographs’.