What's Twitter good for? Business conversations

Finally, Twitter is emerging as a key business channel, letting companies engage with customers, partners and other constituents in a direct way that's both personal and public—something no other medium allows.

Businesses are monitoring what people think of their products, responding to customer service requests, having conversations with stakeholders and making money through creative promotions of various kinds.

Celebrities, themselves mini-businesses, are engaging with their fans in new ways. Consider Shaquille O'Neal's "Random Acts of Shaqness," in which he uses Twitter to connect with fans in person before games. (On second thought, at 7′1″ and more than 1,000,000 Twitter followers, we're not sure you can refer to Shaq as a "mini" anything.)

That covers just a few of the biggest uses of Twitter. So far. In the last few months, Twitter's growth has become exponential. That's not just the number of users, but also clever new uses for the platform and amazing third-party tools. You'll come up with new uses yourself.

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