@danielmcclure on Twitter: "Facebook & Twitter Users Spend More – The Social Profit Formula | Social Profit Formula Bonus http://bit.ly/9sFZyQ"

Last Updated: July 13, 2010

Facebook & Twitter Users Spend More – The Social Profit Formula | Social Profit Formula Bonus http://bit.ly/9sFZyQ

https://twitter.com/danielmcclure/status/18442979909