Word of mouth communications and peer-to-peer dialogue often have a greater effect on customers, since they are not sent directly from the company and are therefore not planned. Customers are more likely to trust other customers’ experiences. Examples can be that social media users share food products and meal experiences highlighting certain brands and franchises. This was noted in a study on Instagram, where researchers observed that adolescent Instagram users' posted images of food-related experiences within their social networks, providing free advertising for the products.
When would this be useful? If your site has a blog with public commenting turned on, links within those comments could pass your reputation to pages that you may not be comfortable vouching for. Blog comment areas on pages are highly susceptible to comment spam. Nofollowing these user-added links ensures that you're not giving your page's hard-earned reputation to a spammy site.
Why It Worked So Well: Not sure. The opening frame image (idiot holding a plastic head) may have had something to do with it as it looked unusual? Or, it may have been the topic, which was asking a question that was clearly going to be answered in the video? Or was it that the topic was challenging the expected norm from a company that does SEO work? I am not sure! Denver Internet Marketing Click Here