Direct, concise, and RELEVANT! (Durex)
FOMO (Quip)
Selling Emotions > Selling Features (Warby Parker)
Refreshingly honest approach (Glossier)
Happy Birthday Email (Pizza Hut)
Subtle Humor (Who Gives A Crap)
Sarcasm (Everlane)
St Valentines Day (Saxx)
Make them Scoll (J.Crew)
Back in stock (Birddogs)