• Despite the fact that Twitter has more than 32 million users, has received massive publicity from both celebrities and government, and produced remarkable results for companies like Dell and Zappos, many business executives still don’t “get” Twitter. Granted, there is an awful lot of noise (“Just got back from the gym…eating pizza again for lunch…watch a Seinfeld rerun”), self-promotion and spam-like content on the world’s most popular microblogging service—and to newbies it can seem like a bizarre online cocktail party where everyone is shouting and no one is listening—but for those who understand and learn to use it effectively, Twitter can be a powerful business tool.

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I would like to add another  5 reasons:

• To build authority
• To gain exposure to your website
• To keep track of breaking news
• To learn new tips
• To get fast answers

Please add your comments or any other reasons you may wish to add why Businesses need to be on Twitter.