This document summarizes how mass media and social media have changed between 1999 and 2009. It discusses the rise of technologies like Blackberries, smartphones, search engines and social networking sites. It provides statistics on sites like Facebook, Twitter and LinkedIn. The document then gives guidance on how organizations can utilize social media for purposes like marketing, media relations, fundraising and internal communications. It includes a glossary of common social media terms and tips for getting started on Twitter.