I run a small seo company. We work uber white hat. We are small with only 4 of us but we have a good client base with great results. My question is related to my own websites because they are the only sites in which I practice this technique. I just watched the white board Friday about good vs bad link building. In the bad link building it mentioned never to externally link in the footer. Is this an all around statement? For instance, every new site we make we always put links in the footer of our clients. Usually says something like "Developed by Stodzy Internet marketing Almost all the web design companies I work with do the same thing. Is this going to help me or hurt me?