An acclaimed journalist and blogger, Jeff Jarvis is a strong advocate for social media and its ability to transform the world. As the influence of social media such as Facebook and Twitter grows, many critics are alarmed at how this public sharing is adversely affecting the people and cultures of the world. On the other hand, as Jarvis provocatively argues, these new technologies are providing a great boon to the world and bringing about an era of sharing and community unlike any seen before.