Behind the windows of this very special Drum adVENT Calendar you’ll find a different member of the creative industry venting their feelings on a Christmas ad, or ads, they love or loathe. Today we're sharing our remaining adVENT's from Yona Hummels and Stef Jongenlen art director and senior copywriter respectively at DDB & Tribal Amsterdam, Fold7's head of planning David Howard, and Beri Cheetham executive creative director at Arc UK.