[victordg]

Usage of Tumblr looks surprisingly high (at least for me), according to that graph. Even though that stats are exclusively for the younger segment of users, they don't seem to correlate at all with overall data I've been able to gather. For example: - Facebook's unique visitors ~160M http://www.reuters.com/article/2012/06/21/net-us-facebook-us... - Tumblr unique visitors ~24M http://blog.compete.com/2012/10/10/pinterest-surpasses-tumbl...