If you have a passion and knowledge about a subject, your main drive may be to publish information about it. Up to now, it's been difficult to monetize that targeted traffic unless it was also part of a "primary business" such as selling your e-book or other products, or offering a service...
Affiliate programs do bring revenue, but often not enough as the sole income model. Ad networks are hard to deal with. And chasing advertisers for your own site is nearly impossible (until they chase you, of course, which happens to SBI! owners a lot).
However, Google AdSense has made commercial life for info-publishers a whole lot easier. You can build an entire business by creating and publishing great content about a subject... just because you love it. Or you can add thousands of dollars per month to your primary business income, also generated by SBI!. Here's how...
Sprinkle in some well-chosen, high-quality affiliate programs.
Build "finder relationships" with local businesses and services.
SBI! makes publishing information so easy. And it attracts warm, targeted traffic to your content. Now... SBI! and Google combine to anchor profitable info-publishing. Not only can you attract high-volumes of targeted visitors, you have three strong monetization options to grow a genuine, profitable business.
Capture your niche.
Here is a sample article from SBI!'s Tips 'n Techniques HQ about how to become a profitable infopreneur by publishing in-demand information and monetizing your traffic through low-maintenance monetization models.