The very first step to take in achieving this is to start a Facebook Page based on your passion topic, and posting the content for a better result. You can be assured that the result would come if you do as expected, setting aside a budget to boost your content, and to go viral length and breadth.
Actualizing this, it will help you to grow the fan base of your target topics when the audience loves the topic being discussed, they will be engaged, posting and also sharing the content, and equally create a dialogue for more understanding and enlightenment. It is very certain that all of this content bring organic traffic to your website, it's very good to build a formidable following on the page you cherish most and after creating an atmosphere of such you begin to share your quality content(articles and blog post) from that particular brand of yours to generate organic traffic to the brand website. Some love to start with their basic content which is also great to follow. When the content is highly engaging, there is no limit to your success because the sky is just the beginning; the post can be promoted with a very low budget and get a fantastic result that gives a very wider reach.