The breakthrough financial success of the new Wonder Woman film contains an important lesson. For years, women super-heroes were outside the scope of movie producers’ considerations. Why? A 2004 film, Catwoman, also starring a female superhero, had failed to achieve its commercial aims. An assumption – female superheroes do not fill seats – became a belief that shaped future investment decisions. No river is ever the same at any one point on the shore. The analogy holds true in the business world. An idea that failed in the past does not necessarily mean the idea has no merit today. And winning ideas that won in the past may lead, today, to your business’ disruption. Beliefs born from assumptions are shortcuts that make our world faster to navigate. Brushing our teeth is good for our health and social life. But beliefs can shrink our…