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!
A note about shooting with two cameras: Your editor will need to sync the footage between the different views. To help them do this, clap your hands loudly in the view of both cameras right before you ask the first interview question … yes, just like an old fashion clapboard. Modern editing software has auto-sync features, but this loud clap will help you initially line up the clips.
Links - Links from other websites play a key role in determining the ranking of a site in Google and other search engines. The reason being, a link can be seen as a vote of quality from other websites, since website owners are unlikely to link to other sites which are of poor quality. Sites that acquire links from many other sites gain authority in the eyes of search engines, especially if the sites that are linking to them are themselves authoritative.