World Usability Day and the Montreal metro

Next Thursday (Nov, 13) is World Usability Day. From the description:

World Usability Day was founded in 2005 as an initiative of the Usability Professionals’ Association to ensure that services and products important to human life are easier to access and simpler to use.

This year’s theme is “Transportation”, treating various aspects of usability such as interaction, signage or security. There are numerous local events across the globe picking up this theme to one degree or another. As there is no event here in Montreal, I dediced to contribute a little snapshot I took in the metro (subway) the other day. It shows the train’s emergency brake:

Montreal Metro emergency brake

Before you read on, think about what would be the interaction you would take to activate the brake in case of an emergency.

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