The document discusses the increasing influence of social media in Canada, citing that 80% of Canadians use social networks, with significant participation metrics observed by Forrester Research. It also highlights various forms of online communications, such as blogs, microblogs, social networking sites, and podcasts, providing examples and statistics related to usage and demographics. The concept of the 'grand ah-whoom' illustrates how collective behavior in social media can lead to substantial social and political changes.