I never fully took to heart the concept of "the straw that broke the camel's back". I assumed it was a pithy metaphor, great for illustrating a hypothetical point but not something that occurred in real life.
Here's what made me see the light:
Yesterday, I got an e-mail. Not that it matters - there are marketers at all stages of the success hierarchy who engage in these practices - but it was from a fairly well-recognized name.
The subject line...