On this week’s Social Media Marketing Talk Show with Michael Stelzner, we explore Facebook’s latest growth with Mari Smith; Amazon’s social network, Spark, with Jeff Sieh; LinkedIn’s new Web Demographics tool with Viveka von Rosen; and other breaking social media marketing news of the week! What do you think? Find show notes and share your comments and questions here, or at http://www.socialmediaexaminer.com/talk2

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