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A career doesn't move linearly,LinkedIn founder Reid Hoffman famously advised — it can ratchet up suddenly with one critical insight, meeting, or opportunity. 
You call it a big break. 
Every success story has one.
Even luminaries like Sheryl Sandberg, Steve Jobs, and Howard Schultz had a moment where the path of their future clicked into focus. 
Here are the big breaks that helped these execs build 10-digit fortunes.