With SEO changes occur so rapidly that it's often time hard to separate what you should be doing and what you should be dropping. With that said, last year's SEO strategy simply isn't going to cut it.
While your boss may be apprehensive about your "newfangled" strategies, it's important that you have the insight to back up your efforts. After all, if you keep up that spammy link building, you're putting yourself at risk of dropping out of search engine results pages entirely.
Sounds counterproductive? That's because it is.
When it comes time to loop in your boss, make sure your focused on dissecting your analytics, researching keywords that align with your ideal audience's needs, and creating content that provides value.