This document discusses social media marketing opportunities and challenges. It notes that 93% of buying cycles start online and 88% of clicks reflect organic searches. Key aspects of building social media content include creating engagement, providing information, and being entertaining. Recommended social media platforms for B2B include Facebook, Google+, YouTube, LinkedIn groups, blogs, and SlideShare. Challenges can include having aims that are too wide, prospects not knowing a company exists, not breaking through competitors' noise, making too much noise, and using the wrong channels.