From AdAge -

Excerpt:Twitter’s real-time messaging service is turning out to be a boon to local establishments, who are starting to get onboard — mostly because the message pops into users’ Twitter feeds and they’re close enough to act on it. For Mr. Leach, who is targeting people within a three-mile radius of his store, that’s key. He’s gone so far as to erect a billboard outside his store publicizing Naked Pizza’s Twitter handle (which got him written up in TechCrunch). After that, Twitter contacted him; he’s going to be working with the company to beta test some applications for small businesses.

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