Before revision: In 2013, analysts where divided in three different groups, those who think it is "just another software-defined hype", those who think most of the components are already available and those who see a potential future market.
After revision: In 2013, analysts were divided into three different groups, those who think it is "just another software-defined hype", those who think most of the components are already available and those who see a potential future market.