How to get started with social media as a beginner?

The first thing that you’ve got to do is pick the right social media network. It’s completely up to you - you can pick whichever social media network you’d like to be visible on. Top options include Facebook, Twitter, LinkedIn, Instagram and others. You sure could be on all of them but, you are going to end up dedicating limited time to each of them. Why be mediocre when you can be amazing on at least one platform?
source : https://www.youtube.com/watch?v=VoSM0jqVOBg&t=4s