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absolutely. do it. also shows you are catering towards handicapped on your site

Hi Rodney, My vote goes for the subfolder. www.example.com/blog Regular, quality content on a blog will get crawled and indexed very quickly, and if you are savvy with your internal linking, this will really boost the main site too. You can also check some opinions from the guru´s of SEO here and Im sure you will reach to a conclusion. http://www.agent-seo.com/blogging/seo-subdomain-vs-subdirectory/ I hope it helped