Among the various forms of advertising are both free and paid advertising is obviously paid more efficient to save time and labor, but also free advertising has its benefits, free advertising, among its benefits is obviously not difficult.
Another important fact to keep in mind is that free advertising, Google is essentially positioning and advertising is here to stay (if you have a good ranking) compared to paid advertising, when you stop paying up that there was advertising.
To get results with free advertising to do in a large, working hard to position items so you have a blog, using social networks, essentially what you are doing is capturing a large number of contacts, and then sends the information product or service they sell.
Options for advertising on the Internet are several if you have time to do free advertising might otherwise pay for advertising that generate additional costs.