This is a guest post by Paul Smith
Social media is the Internet based media which was designed to facilitate the conversation. At once you will think about Facebook and Twitter, and you will be right. Moreover, there are some specific social media as YouTube, Delicious and Blekko etc. Your blog, site or forum is also social media, and it has become rather important for businessmen. There is too much talk around the web about SEO strategies and Social Media. During the past few years, Social Media has incredibly popularized SEO, and now people talk about these two things as about one unit. I think you cannot but agree with me, that they go hand-in-hand for mutually beneficial success. Search Engine Optimization is all about the content promotion and web-management, and social media allows to share more business data. However, you should be careful with it, as page rankings can make you as well as reduce you. Originally, social media was used just to promote a brand and distribute it further among the customers. Now, it can be successfully used to improve SEO services. Due to these facts, it is obviously, that social media links and interaction play a great role in the promotion of a website’s search rankings.
The Google Pagerank is updated today November 8, 2012. Once again Google has come into action by rolling out the 4th Page Rank Update of the year. The 
From an SEO perspective, it’s a waste of PageRank to have the more tags followed. If you do not want Google to give any value to the “Read More” link, one way is to nofollow them.