The survey of history faculty at four-year colleges and universities asked an array of questions about the types of software and digital tools historians in academia were using, their publishing practices in print and online, and their general attitudes toward the technologies and opportunities of new media. But to provide a basic frame of reference, AHA staff classified the 4,182 respondents from U.S. institutions into four groups, based on their self-described patterns of adoption and use of new media.1 Refer this link to know more:
http://www.historians.org/publications-and-directories/perspectives-on-history/november-2010/how-is-new-media-reshaping-the-work-of-historians