Here a list of 25 Social Media Blogs that you will want to follow if you are trying to keep up-to-date on what is happening in the social media space:
25 Social Media Blogs to Follow
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These blogs are also listed in the blog roll on the right side of the MarketingXLerator blog.
Please, let me know in the comment area if you have a blog or know of a blog that should be added to the list.