This graph shows the information about favourite social media channel. To begin with, we can see that there are categories in comparison which are Facebook, Twitter, LinkedIn, Google+ and Pinterest. According to the graph, the largest proportion goes to Facebook throughout the time period from 2011 to 2013. Last but not the least, Google+ had increased the most during this time period from 5% to 14%. In conclusion, the usage of LinkedIn had remained constant during this time period.