If you’re online—and reading this!—you’ve probably heard of Twitter. But just what is Twitter for? How does it work? And how do you get started using it? Whether you want to start using Twitter ...

If you're online—and reading this!—you've probably heard of Twitter. But just what is Twitter for? How does it work? And how do you get started using it? Whether you want to start using Twitter ...

Like any social network, what you get out of Twitter is based on who you follow on the site, and you can follow anyone else using Twitter (so long as their account isn't private). Think of Twitter as ...