Facebook do it but it doesn't seem to have any traction: http://money.cnn.com/2012/12/21/technology/social/facebook-messaging/index.html?iid=EL http://money.cn

Facebook do it but it doesn't seem to have any traction: http://money.cnn.com/2012/12/21/technology/social/facebook-messaging/index.html?iid=EL http://money.cnn.com/2012/12/21/technology/social/facebook-m...