Update 2019: There is an even more in-depth guide available on how to grow your stream. That i highly suggest you to check out 🙂
This post is part of the series me gathering up good guides for twitch streamers how to setup the Twitch stream and do all the nitty gritty things. In this video you can see: What you can do to promote your stream really effective on Twitter and Instagram.
PRO TIP: You can use the exact same tips in Facebook. Work smarter not harder 😉 You can find all the Twitch Streamer Graphic sizes in this post also.