This post is 
Twitter is a service for friends, family, and co–workers to communicate and stay connected through the exchange of quick, frequent messages. People write short updates, often called "tweets" of 140 characters or fewer. These messages are posted to your profile, sent to your followers, and are searchable on Twitter search.
As a Twitter user you can post updates, follow and view updates from other users & send a public reply or private direct message to connect with another Twitterer.
Twitter is a free social networking and micro-blogging service that enables its users to send and read each others' updates, known as tweets.
Twitter is a free social messaging utility for staying connected in real-time.
It can also be a powerful marketing & community building tool with the ability to develop your brand and build relationships with your audience.
It is many different things to many different people.
Find more info about Twitter here
Resources: Homepage | FAQ | Help | About
Find the latest (Past 24 hours) about: iPad | Real-time | Software | Extensions | Apple | Microsoft | Courier | Google | Chrome | Firefox | Safari | Android | Buzz | Twitter | Facebook | Social Network | Apps | Security | SEO- and much much more using the knowledge search above!
Buzz it!