There are certain people that you need to know about and read about to really help you understand what the TV in social TV really means. Dan Rather, who will turn 81 this October, was CBS Evening News' anchor for 24 years. He not only understands the greatness of TV but helped define it by capturing our nation's most pivotal moments for decades. We reviewed his new book, "Rather Outspoken: My Life in the News" and interviewed him about his career in TV and the impact of social media.

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