Social community SMS service Twitter allows users to post 140 character updates, direct message others, favorite tweets, and search tweets. While easy to use and portable, Twitter has grown to over 3 million users including businesses, politicians, charities, schools, families, and news organizations. New users can create a free account, search for others, follow some accounts, and post their own updates to begin participating in discussions, receiving news and resources, and collaborating with the Twitter community.

3. In a Word…

8. Now, Beware the Whale!