I'm currently working a web product which solves a problem of optimization for web masters and web publishers. In short it helps them make more money from their existing website.
Since the product is nearing completion, I think it is the right time to start marketing for the product. I'm currently writing a lot of content on how this product will help web publishers, what problem it fixes, etc
The target segments for the product are:
What do you think would be the right strategy or what can be done to reach this target audience, without spending much? [Adwords is already out off the list]