The best way to answer this is to think about what would happen if you did irreparable damage to your reputation through your actions or poor public relations.

Picture this. You're at a networking function, when someone introduces you to your dream client. The client flashes you a big smile, pats the enormous wallet in their backpocket, and says "so tell me about your company?"

By the time they are 20, any social media aware teenager will have practiced one of the most important aspects of Public Relations thousands of times.