Which ads were most effective this Christmas? System1 reveals its Top 10

Which ads were most effective this Christmas? System1 reveals its Top 10

Effectiveness Agency System1 has released its annual Christmas Ad Top 10, from the industry’s most comprehensive testing program. The company tested over 70 different campaigns over the last month to find out which brand – big or small – made the most effective Christmas ad of 2019. System1’s benchmarking tool Ad Ratings predicts long- and […]