Entrepreneur Uses Twitter to Drum Up Cult Following

this is the frenzy that accompanies Korean taco trucks in the Los Angeles area. And the reason is the way it gets its word out. Starting last November, Kogi Korean BBQ-To-Go, the vendor that sells the $2 taco with spicy pork, chicken or tofu soaked in red chili vinaigrette and doused with kimchi, “capitalizes on emerging technology by sending out Twitter alerts so fans know where to find it at...