What can you learn about me from 24 hours of my metadata?

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On Monday, Guardian Australia revealed that Australia’s surveillance agency, the Defence Signals Directorate (DSD), offered to share “bulk” amounts of its own citizens’ metadata with intelligence partners overseas.

The prime minister, Tony Abbott, described metadata, the information generated as you use technology, as just “billing data” but many technology experts argue that this data is more revealing than content data itself.

There are many kinds of metadata, and it is unclear exactly what the DSD may have targeted.

For 24 hours, I kept a log of all my technology use in a metadata diary. Below are some of the highlights. All the information included below was logged in metadata:

At 11.26am on Monday I logged on to Twitter and sent this tweet: “Revealed: Australian spy agency offered to share data about ordinary citizens http://gu.com/p/3kp3z/tw latest @guardianaus exclusive.” The tweet was sent from 35 Reservoir Street, Surry Hills, Sydney, Australia. I am Oliver Laughland, journalist, Guardian Australia, my email is oliver.laughland@guardiannews.com, my profile is here and I am based in Sydney, Australia.

At 11.46am I replied to an email titled “Life” from “Mum”. The email was sent from Twickenham in London, four days previously. I had marked it as a priority. I have received 89 emails in the past 24 hours, including eight from katharine.viner@theguardian.com sent from..

Read more: http://www.theguardian.com/world/2013/dec/03/what-can-you-learn-about-me-from-24-hours-of-my-metadata