I never thought of YouTube as a keyword resource myself until I read Kieron Hughes on the subject. While many SEOs prefer to work their magic in fields with which they’re intimately familiar (like a dentist-turned-SEO optimizing sites for dentists), that’s not always possible. In that case, the SEO must be prepared to become an instant expert. Some of us have a lot of practice with that kind of research. A few of us even prefer it that way; it keeps us from getting bored. But we’re still faced with a problem. Most clients know their own fields and subject matter inside and out, and this kind …