Contextual ads, such as the ones served by Google's Adsense, can produce a few extra bucks per month, or even cover a couple of bills if your site has a lot of traffic. However, if your website business model is based on offering your company's products and services, then you are probably better off without contextual ads.

There are many marketing blogs available on the Net, plenty are quite good. However, I have set out to create a reduced list of these blogs so that people new to the subject of online marketing can get started keeping track of the most important information being generated daily. I've assembled this list based on my experience with these blogs in terms of the quality of their content and their reliability to provide solid advice and make the best of the reader's time.

In no particular order: