David Black

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David F. Black is a business builder with more than 40 years of experience. He's developed everything from radio stations to restaurants to an App for small businesses.
being disagreeable
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Being Disagreeable Is the Key to Success 

Most people want to be liked. It’s a natural inclination. However, in order to be successful, you sometimes have to be disagreeable. It is the key to success. Being disagreeable doesn’t mean being a jerk...