Nanotechnology, surveillance and your privacy [1] - Earth & Sky, USA

[2]	Surveillance technologies could miniaturize to the point where privacy becomes an issue. Nanotechnology will someday enable all kinds of devices to become very small. It’s a privacy issue because you’re gathering information in ways that people may not be aware of.

NGOs urge precautionary principle in use of nanomaterials [3] - EurActiv, UE
As lack of scientific data on nanotech's health and environmental risks impedes the development of specific legislation, NGOs call for the application of the precautionary principle. "The need for more evidence does not have to stop us from taking action now," they claim.