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Logging our lives with wearable technology

4 June 2013 Last updated at 11:22 BST

Imagine a day in your life - thousands of images of people and places, miles walked, driven, and cycled - all disappearing as the memories fade.

But what if you could capture, store, and then share your day? Well, now you can.

Rory Cellan-Jones reports on wearable technology for Newsnight.