"One doesn't discover new lands without consenting to lose sight, for a very long time, of the shore."That quote is from Nobel Prize winning novelist André Gide. And I think there is a great lesson for marketers here.For 25 years, MarketingSherpa has published case study articles. And sometimes when I talk to marketers, they are so myopically focused on just the case studies from their industry.We’re an ideas profession. And sometimes to get the best ideas you have to step away from the famil...