“Four Questions With …” is an occasional series of interviews with different social media and community editors in the news industry.

So, what is it like to be a social media or community editor? What are the job responsibilities and how does one end up landing such a gig? The goal of “Four Questions With …” is to answer some of these questions and to give insight into what is a new and constantly evolving field.

This month, we chatted with Mark Johnson, The Economist’s community editor based in its London office. He joined the well-respected news magazine in June 2010 after working in publishing, developing digital strategy at HarperCollins in London.

Here are Johnson’s thoughts on community, social media and journalism. Read more