Charlene Li is an independent thought leader and founder of the Altimeter Group. Josh Bernoff is a vice president at Forrester Research and one of their most senior and most frequently quoted research analysts. He created the Technographics segmentation, a classification of consumers according to how they approach technology.
If you haven t read the book, I would highly recommend you buy a personal copy and read it to get a comprehensive understanding of how our world is being transformed by social technologies and how you can take advantage of it. - Business 2 Community