You aren't me so you don't know who Im talking to unless I tell you, or Im talking to you.
and believe it or not This image was 100% directed to you. and if you didn't know that you are an even bigger idiot than I imagined
Its used for emphasis. this (like I have mentioned before) is a website based on memes. if you are going to point out someones punctuation/grammar/writing skills, you can go to Twitter, or Quora.
Thank you for reading your daily reminder. Hi. this is your daily reminder that some people are (I am not going to name you know who you are and if you don't you are an even bigger) idiots.