The business value of social media can’t be overstated, but not everyone wants to vamp in videos—the common path to stardom. Luckily, you don’t have to, says Janis McGavin, director of marketing and social media for the Los Angeles Center of Photography. “How do I know this?" she said. "I’ve done it.” She took the LACP’s following from zero to 18,000 followers (and growing) without appearing on camera. If you follow a few basic principles, you can expand your audience and your business without stepping in front of the camera (and even more if you do).