I wrote an article today on this blog about popular blogging topics. Minutes later, this site appeared on the 1st page of Google search results with 1,340,000,000 results. See graphic below. Click it to see a larger image.
Notice the search phrase, and the number of results for that phrase. This goes to show that maintaining a blog with original content makes that blog important in the eyes of search engines.
Also note that I use some plugins, but I have yet to install a few on this site that would benefit it, such as the all in one seo plugin.