While I spend a great deal of my day online and tend to be an early adopter, I was so late to Facebook that it already boasted over 100 million members when I joined. The network has expanded to include some 850 million accounts that were active during the month of December, 2011. Interestingly, one's age appears to be an indicator of the likely size of one's Facebook friends network. Lee Raine, Director of the Pew Research Center's Internet & American Life Project, Read More …