Well, if you want to market your services then forums are really good place believe me, there is no doubt to it really.
Forum is a great place to share your links and also knowledge & information from other members.
Yes this is the best place where you could share your knowledge and also get frequent updates on technologies. This is the place where you gain lot of knowledge.
Good relationships are built on trust. So it's natural that customers want to learn as much as they can about your company and the people that stand behind it. Women shoppers, in particular, look for deeper information when deciding on which company or service to choose, and the vast majority of both male and female shoppers do research on the web before making a purchase. Having a company website is a smart and affordable way to convey in-depth information about your service business.
Marketing is best way to promote your site and build your business.you should never turn your marketing efforts completely off.