“ A wiki is software that allows users to easily create, edit, and link pages together. Wikis are often used to create collaborative websites and to power community websites” (Wikipedia, 2008, para 1).
Wikipedia. (2008). Wiki. Retrieved January 8, 2008, from http://en.wikipedia.org/wiki/Wiki
“ Twitter is a service for friends, family, and co–workers to communicate and stay connected through the exchange of quick, frequent answers to one simple question: What are you doing ?” (Twitter, 2008, para 1)