Every now and then, you may bump into a friend or acquaintance with whom you'd like to reconnect. This person may have resources or connections that can be of value to you in your professional life. If the topic of conversation shifts to what you do for a living, that's when things can get interesting. You can take this opening to market your business or yourself through what is popularly known as an "elevator pitch."
What Is an Elevator Pitch?
Source: Recruiter