Some of the most important traits from business perspective were:
They actively listen. They're accountable for their mistakes. They do what they say they'll do. They treat everyone with respect. They follow-up. They remember your name. They offer to help. They don't judge you. They apologize. They forgive, but do not forget. They don't criticize others. They admit when they're wrong. They don't exaggerate. They can laugh at themselves. They're optimistic, without being unrealistic.
The article also gives some good hints on how you can act on this new found knowledge. The key is to focus on one or two of these traits at a time and see if you can integrate them into who you are and how you interact with others.