High Tech and Secret Identities

Clem had a question in the Suggestion Pot: Supers gaming: In a world with ubiquitous security cameras, DNA analysis that can identify someone from a skin cell scraped from their knuckle by an evildoer's five o'clock shadow, image and profile matching software, huge fingerprint and medical ID databases, easy wiretapping and bugging etc.; how does an enterprising vigilante protect his/her/their/its secret identity? I just finished an interesting book, Superpowers ...

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