Articles about B2B social media marketing adoption often paint a rosy picture of the current landscape, but when you dig in deeper, there are many challenges in effectiveness and understanding the results. In a recent survey of 5,000 B2B marketers from all industries, Penton Marketing Services found some pretty revealing statistics. Click the link for the full report (registration form required). 1. 81% of B2B Marketers find online marketing moderately to extremely challenging. 2. 77% of B2B Marketers said their websites are not that effective at generating leads.