Everyone knows that first impressions are important. As such, almost everyone in business has already honed their appearance, smile, and handshake. But often that means first impressions are all similar and forgettable.What isn't forgettable and, indeed, what defines you as a businessperson is the second impression. This takes place after the ritual greetings, when the other person begins to assess who you really are.
How to Write a Cover Letter (Harvard Business Review)