This is inefficient. Some semi-transparent laquer applied to the lens that makes... | Hacker News

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		nine_k 21 days ago \| parent \| context \| favorite \| on: Flock CEO calls Deflock a “terrorist organization”... This is inefficient. Some semi-transparent laquer applied to the lens that makes the picture permanently blurred would be much less conspicuous.

culi 21 days ago [–]

An infrared laser beam could also do the trick. The beam would be invisible to the human eye

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