Who should you follow? That's largely a personal choice, of course, based on your enthusiasms and obsessions. But here's our choice for 10 twitterers to follow.
The pop princess broke records this year by becoming the first person on Twitter to reach 5 million followers.
Chris Brogan wants businesses to recognize Twitter is key to their development. He helps redefine community and builds up companies through social networking.
Want to learn the latest on the music scene—and music deals? Amazon keeps you updated on the latest MP3 deals via daily Twitter updates.
The well-known and highly-respected newspaper offers customizable news with content that's split among dozens of different sections.
Barack Obama made social media history by becoming the first United States president to use Twitter.
Keeping up-to-date with the latest tech and web news is a breeze when you're following the experts at TechCrunch.
With The Onion's satirical, laugh-out-loud headlines in your Twitter stream, you'll be able to tap into one of the world's great sources of humor and parody.
When he's not busy starring in movies or shooting camera commercials, Ashton Kutcher is on Twitter. He was the first twitterer to reach one million followers.
Whether he's tweeting about his new music or rambling about modern life, John Mayer makes sure Twitter is never boring.
Do you want to know a secret? Users on PostSecret's Twitter page can access the latest anonymous confessions and find information on PostSecret books and events.