The pie charts give informations about the users of 5 different social media Facebook, Twitter, LinkedIn, Google+, Pinterest in three years from 2011 to 2013.
Overall, it is clear that Facebook had a largest users in all the time. All apps were on the rose while only Facebook apps was on the declined.
The percentage of Facebook was stood at 59% in 2011 after that dropped to 38% in 2013, but Facebook was still the most popular application. The percentage of Twitter increased slightly from 21% to 25% in three years.
There was a slight growth to 5% in LinkedIn between 2011 and 2013. The percentage of Google+ increased by about 5% annually and reached 14% in 2013. The lowest figure can be seen in Pinterest. The number of Pinterest rose slightly, about 3% in three years.
