When it comes to building links and generating coverage of your web site and products online, there's a skill that often gets overlooked. Relationship building gets a lot of lip service these days, but I sometimes wonder how many small businesses really, truly understand how much work goes into it. Relationships go beyond reading a single blog post or scanning a Facebook page...it means investing time in someone.

Web 2.0--the dream of the user-built, user-centered, user-run Internet--has delivered on just about every promise except profit. Will its most prominent example, social networking, ever make any money?