anonymity

Camera shake could one day be used to help track down people who record footage anonymously. Researchers say that footage captured by wearable cameras contain a "motion signature" that's unique to the wearer -- a hidden "fingerprint" of sorts.

YouTube just announced a useful new feature: an easy face blur option. The announcement says the feature is aimed for news and human rights agencies to protect privacy and identities especially if posting images of activists who may need to remain anonymous or if minors are present in the videos and privacy is a concern.