British Red Cross Places You At Knife Attack Scene

Facebook App Uses Personal Data to Highlight Need for First Aid Skills

Published On
Sep 11, 2013

Editor's Pick

Witness, a Facebook app created by youth-focused agency Force 7 for the British Red Cross, places users at the heart of a horrifying knife attack, using their Facebook data to make the experience seem more impactful. The film, which focuses on a young man who is stabbed on a bus ride at night, is personalised showing texts and social media updates from the viewer's smartphone, as if they were there witnessing the scene; for example, putting status updates about the "weirdo on the bus" on Facebook and comments from friends in response.

The film (which has just the right amount of sinister realism) shows most of the fellow bus passengers sitting and doing nothing while one girl tries to stop the bleeding; one person even appears to be taking photos on their smartphone. Users can scroll down the app for more advice on how to deal with a bleeding wound.


Sep 11, 2013
Force 7
British Red Cross
British Red Cross

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