System1 News & Media

Cadbury’s Heroes outdoor campaign sets a score record

October 27, 2025

Cadbury's Heroes outdoor advertising campaign achieved a record high score of 5.9 stars on System1's Test Your Ad platform. It is the highest ever outdoor…

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Creative quality, positive emotion drive OOH effectiveness

September 22, 2025

Creative quality and positive emotion are top behaviors that drive out-of-home advertising effectiveness. Strong consistent branding can also play a…

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WWF OOH campaign earns top rating for effectiveness

May 7, 2025

The World Wildlife Fund's OOH advertising campaign, "Prescription for Nature," has earned an exceptional five star rating from System1's Star Rating, which…

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