James Wedmore, interviewed by Amy Porterfield, stresses the importance of keywords to promote your YouTube videos.
Whatever you’re doing with YouTube, it should always start with keyword first. Traffic, that’s what we want to think when we think YouTube. In order to do that, we need to start with a keyword. We need to figure out, we need to identify what our ideal customers are search for when they want to work with us.
Google Keyword Tool is the best place to start your keyword research.