Metadata: What your smartphone says about you

The meteoric rise of web-enabled mobile phones has created new avenues for authorities to monitor data, but also a minefield of legal and ethical questions.

Metadata related to lawful interception has been in the news a bit lately. You may have seen last week the Australian Federal Police called for more access to electronic metadata as a Senate committee evaluates Australian mass surveillance laws.

Probably most people understand that lawful interception (wire-tapping or phone-tapping) has moved beyond connecting alligator clips to a phone line, but 'metadata' might be a bit of a mystery.

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