centers of gravity

Is Facebook Losing Steam?

By David Erickson | August 22, 2011 |

14.8% fewer Americans sent messages to friends on Facebook in July 2011 than did so in July 2009.

Communications 2.0 – The Theory Of Web 2.0

By David Erickson | July 9, 2007

Watch a video presentation giving an overview of the theories behind Web 2.0 technologies, presented by e-strategy.com’s David Erickson and Treacy Information Services’ Ann Treacy.