https://www.youtube.com/watch?v=6hsMHV29Sqg
This is a quick-ish overview of how to create a Facebook ad to get traffic to your website.
You can create a Facebook ad to get people to sign up to your mailing list, join your forum or accept another offer. Facebook is one of the best places to advertise because you can target your ads to a very specific market segment.
Have you tried fb advertising and has it worked or you ?
Yes, but you have to be very consistent in your message, from the ad to the landing page, to see good results.