As per Kantar's report, consumers rate Heineken’s ‘Cheers to all’, the world’s most creatively effective ad for 2020 Here are the top 20 most creative and effective ads from 2020. Kantar’s validated ad testing solution also identified five habits from the most effective advertisers. Throughout 2020, Kantar, the world’s leading data-driven insights and consulting company, tested more than 10,000 adverts for clients around the world. Today, Kantar reveals the adverts that performed most effectively. What makes the Kantar Creative Effectiveness Awards different from other creativit...