Synopsis — Jeff Bullas, a Forbes.com Top 50 social media power influencer, talks to SMS about the role of social media in online marketing. He discusses the importance of each medium and how they can help businesses thrive in the digital era with effective strategies and informative blogs and points out that businesses should focus on the social media networks that their customers and prospects are engaged on. Bullas also shares what he thinks is the biggest challenge for business in 2012 insofar as social media marketing is concerned. Subscribers should log in to read the entire article. If you are interested in subscribing, you can do so here. Every subscription includes exclusive access to premium online content. A…