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INSIGHT

The subway is unbearably hot and stuffy in the summer, and it's hell for people with sweaty underarms. Sweat stains and odors are the cause of their meltdowns, and they often choose to stand against the train so that they don't have to hold the handrail and expose their armpits.

IDEA

I targeted white-collar workers, whose sweat problem is exacerbated by the requirement to wear shirts all the time, and who are also more image-conscious and more motivated to buy the product.

←Hold on, it's a gif.

I produced a thermal sensing poster and posted it in the subway. When the temperature of the place where the poster is placed is higher, the sweat stains and fonts on the poster become more obvious.

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