| http://www.w3.org/ns/prov#value | - Called InformaCam, it uses the smartphone's built-in sensors to validate the date, time and location of capture.The app uses digital signatures and encryption to try to ensure media hasn't been tampered with, and it wants similar capabilities to be offered natively in other camera apps and in key platforms for distributing photos and video such as YouTube, Google+ and Facebook.The group has pushed
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