At a "big data" talk Yahoo gave one of the keynotes where they asked which one of the two email samples had the "most engagement" Surprise surprise it was the o

At a "big data" talk Yahoo gave one of the keynotes where they asked which one of the two email samples had the "most engagement" Surprise surprise it was the one with the confusing text on it -- people were clicking on it to see what the heck it meant. But to the Yahoo guys that meant that email was better as it got more clicks. And I suppose it is better if that's how your bonus is constructed.