The number of smartphone users in the EU5 countries (Spain, Germany, Italy, France and the UK) grew by 30 percent over the year, reaching 136.2 million in the three month average ending December 2012. This was the first month that all European countries crossed the 50 percent smartphone penetration mark. http://www.comscoredatamine.com/wp-content/uploads/2013/03/EU5-Smartphone-Penetration.png
Chart of the day shows traffic to buzzfeed content sent by Google Reader and Google +, from August 2012 to March 2013
Chart of the day shows what percent of facebook's news feed posts are photos, march 2013
The landscape of social media users. 67% of internet users has a facebook profile. Only 16% of them use Twitter.
Effects On Twitter Follower Growth, february 2013. How to get more followers. What people value
share device page traffic on a work day. Pcs for lunch, tablets for dinner