So let's just say you're a budding entrepreneur. You've gone into business for yourself and setup that all-important website. It's your digital storefront. No need for that brick-and-mortar store anymore. No need for the random person to patronize your shop from the street. Today, all you need are those virtual visitors -- people that are keenly interested in buying what you're selling.
free real traffic
Historical refreshes of content is a good thing, especially if some of your content has expired. Note, this does not mean re-doing your content; simply refreshing it to bring it current if it isn't already evergreen content. Look at ways you can update outdated content on your site to drive more traffic through visibility on search engines like Google.