Sliced bread. Every novelty comes after that, right? Yet, the machine took years to become mainstream. It wasn’t its invention that made it popular. The #innovation by Otto Frederick in 1917- packaging post-slicing to prevent staleness- that’s what made it successful. (1/n) Most #innovations ‘fail’ if they don’t address the opportunity behind the problem-solving. It takes time. Apple’s Newton (‘93) failed but the iPod & iPhone ‘created’ new industries. Ditto, Gutenberg’s typeset machine invention but the much later success of printing press. (2/n)