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These are the kind of personality tests scientific researchers ask their contributors to take part in, so they can analyze their publications based on a series of personality parameters:

In 2012 some anonymous proceeds at the mass scan of the whole Internet by creating a Botnet of unprotected devices.. then releases all the data collected via torrent. Interesting approach of a single, to just autonomously decide methodology, scope and way to release “data” disregarding norms and hyerarchies.

Blending in
Is it possible to keep a degree of anonymity while still being profiled?

Can adding a certain amount of randomness and pollution blur individual data?