"Worldwide my audiences break down as 95% Facebook. 70% Twitter. 45% LinkedIn and only 2% Google+ (and while kids are on Instagram and Snapchat, those two don’t register for the kinds of business and innovation journalism I do). But when I look at engagement, Facebook becomes far more important."Source: "How Medium and Twitter could withstand Facebook’s moves to get the journalists and celebrities to move", Startup Study Group on Medium by Robert Scoble