I've got a curious blog question. I have a blog that is 2 months old, and with the latest PR update I received a PR4. I have done little to know work in regards to inbound linking. I exchanged links with the person who developed the blog, but other than that, my main site links to it. At the time of the update, I didn't have the 3-4 links I now have, as I just got those a few days ago. Can a site get to a PR4 with just adding unique content, for the most part, daily? My blog is:
http://www.washington-real-estate-news.com/