This is one of the most valuable pieces of information you’ll ever see, and it’s also one of the simplest. When sharing other people’s content, or your own as well, always add a bit of value. Add value by summarizing the content for people, and giving your unique perspective on what the key points are. Don’t just share a link with no introduction.
Visnja Zeljeznjak has put together an epic post on this topic, and it’s worth every bit of the few minutes it’ll take you to read it. Putting this simple rule into practice will help grow your presence on any social network you apply this technique to.