Businesses turn to Facebook for word-of-mouth advertising - USATODAY.com

HERMOSA BEACH, Calif. — Bartender Beau Dieda does more than mix and serve drinks every night at popular nightspot Baja Sharkeez: He is also instructed to sign up friends and fans for his company's Facebook page, as well as his own. Before he leaves the restaurant, he sends bulletins to his collective fan base inviting them back in for specials, discounts or events.

"It's one of the best ways we can reach a vast audience," he says. "After my shift, I can blast it to 650 friends in 30 seconds. I don't have to go around to each person, or call them up..."