WARC has released a report identifying trends and themes common to the award-winning campaigns of this year's Cannes Creative Effectiveness Lions, which celebrate the measurable impact of creativity. Commenting on the "Insights from the 2021 Cannes Creative Effectiveness Lions winners" report, Chiara Manco, Commissioning Editor, Case Studies, WARC, says: "To unearth insights into what makes a campaign both creative and effective, we've interviewed both jurors and winners and analysed the ...