Gone are the days of door-to-door Encyclopedia salesmen. Gone are the days where parents have to save and buy individual books of an encyclopedia with the hopes of one day being able to purchase a complete set before the information becomes outdated. Our society has transformed into a place where Wikipedia, a free online encyclopedia, has become a household name. How did this happen?

Today, kids and adults alike have a wealth of research and information available at the touch of a button. This evolution is thanks to some new software, a concept known as Wiki, and its role as part of the Web 2.0 culture.

Continuing with the in-depth look of Web 2.0, this week