What is the fine-grained topic of the following text: The media professional--who is also a candidate for ministry in the Louisiana Conference--emphasized the growing importance of church use of social media, pointing out that three out of four Americans use social media (Forester, The Growth of Social Media 2008); visiting social sites is now the fourth most popular activity, ahead of checking personal email (Nielsen 2009); and two thirds of the global internet population visit social media networks (Nielsen 2009). Only return the topic.
The growing importance of church use of social media