This infograph by PointRoll illustrates the history of online advertising.
Only 15% of US adults say they are not a member of any social networks.
87% of 2014 high school graduates in the US used Facebook, and 61% of them checked their newsfeeds at least once per day.
This infographic from Marketo imagines the social networks playing Game of Thrones.
Before Facebook arrived in Germany in 2008, the leading social site was the homegrown community schülerVZ, attracting 45% of internet users ages 12 to 19.
Approximately 46% of US teens and young adults ages 12 to 24 had used Snapchat.
Some 46% of Americans aged 12-24 claim to have ever used Snapchat, making it a more popular choice for this demographic than Twitter (36%).
Experian Marketing Services has released a report segmenting US smartphone owners into 7 groups.
Facebook’s 31 million unique visitors lead from 2012 will drop to 14 million by 2015.