Wikipedia defines Link Building as “actions aimed at increasing the number and quality on inbound links to a webpage.” The purpose is essentially to increase search engine optimization and drive more people to your site.
Google encourages us to stay away from the process stating that good content doesn’t need it, and in fact, should stand on its own merit. And even though that’s not necessarily what we want to hear, they are probably right in encouraging good quality original content wherever possible.
For more information on Link Building, check out this article from A2 Hosting. It provides some great information on the subject as well as an opportunity to talk with them if you are in looking for help with web hosting.