It’s not enough that others plainly link to your website.  Getting them to blog about your products (or services) is very good as well.  Not only do you get more backlinks out of it, but it will also get your site the needed exposure for more traffic and subcribers (RSS, bookmarks) too.

This method is generally known as a sponsored review.  It has been confirmed through several marketing studies that “word of mouth” is one of the most efficient ways to capture the attention of people or would-be customers, and a well-placed sponsored review does just that.