Wikis help make the world a smaller place. Wikis and blogs enable people who don't normally have a voice to be heard and those who have a voice not to be edited. Unfortunately, there are times that it is used for propagating propaganda, but since it's an open forum it also allows for rebuttal. These types of forums allow for people to ban together, collaborate, or be combative and allow for healthy debate. They help people not to feel alone and may have helped to instigate the revolutions, or revolts, happening in Tunisia, Egypt, Libya, and other Arab nations.