“If any of us eats those nauseating Post Toasties or Wheaties, for example, in preference to the products of Kellogg’s, I hope he chokes on them.”

– Leo Burnett                       

It’s 53 years since legendary, and oft-quoted, adman Leo Burnett typed the below memo titled ‘Scratching the back of the hand that feeds you’. AdAge is reporting that the agency bearing his name sent it out a few days ago as a reminder to staff on the principles of loyalty to clients.

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Leo Burnett memo