If you believe that good manners are a thing of the past, consider this advice from Emily Post, “Consideration for the rights and feelings of others is not merely a rule for behavior in public but the very foundation upon which social life is built.”LinkedIn is social media platform and playing nice with others matters. How we engage publicly in the comments or communicate privately in direct messages really can affect others. When it comes to good behavior on LinkedIn, Jeff Young, aka #TheLinkedInGuru, immediately comes to mind. With a personal mission to simply serve others, Jeff is known for being one of the nicest people on LinkedIn.