Hi, Marketing is service or business or of selling any products or it may be retail customer end products also could be to implement this you need some good contacts as a first step.
learning marketing is a simple and easy task. just read forums topics written about this topic you will find lot of information about markeing and promoting the websites and blogs
Do you want to learn general marketing, affilitae / online marketing? Just visit youtube and search for your topic You shall get a lot of topics related to marketing!
If you learn the mechanics of marketing, you can sell almost anything. Your already probably doing marketing right now, just by telling a friend about how great this forum is, or what you just recently ate. Its all about what people say about you, not what you say.