Subject LinesEight Sleep Puts an Asterisk on 25 of 26 Subject Lines
Five weeks of Eight Sleep campaigns: 25 of 26 subjects end in an asterisk. What each footnote walks back — and the one subject that needed none.
3 minMailpotion Editorial Team
Topic
Subject Lines editorials
Long-form teardowns and patterns from subject lines. 2 articles published.
Subject Lines
Subject LinesQuince A/B Tests the Pitch, Never the Price
We caught 14 Quince subject-line tests in flight. Seven had byte-identical bodies, one shipped a typo, and not one varied a discount.
4 minMailpotion Editorial Team