Adding fuel to the fire: How important is Facebook?

A new survey adds more fuel to the swirling debate about how social media usage is changing, especially among teens. In a Piper Jaffray survey of American teens, one-third described the photo-sharing app Instagram as their most important social network. Twitter finished second, named most important by 20 percent of respondents, followed closely by the popular chat app Snapchat with 19 percent.Read the full article