We all know how important keywords are when it comes to SEO (Search Engine Optimization). But did you realize that many people might use the same keyword(s) as yours. What if I use a meta keywords tag which is high in search engine rankings, Will my blog gets a high rank too? Matt Cutts, Google Software Engineer discuss about this matter and made a great point. There are some search engine that might use meta keyword(s) tag on their search engine ranking but not Google. Google still use meta tags like meta description tag. So just to be safe still include meta keyword(s) tag to your blog. To see Matt Cutts video watch this.