"Sup", for me that looks like a half finished word. Something you say, when you're lazy or uninterested. Starting your post with a word like "greetings" would make your post much more enjoyable to read. And maybe replacing "sup" at the end with "what are you guys doing" or even "What's up".
OnT: I'm watching a video about global economy. My teacher says I have to watch it, so I'm watching it.