A Locker Partner staff member spends thirty minutes a week in an isolated corner of a shopping center. He usually sees the elderly proprietor of an old-school barber shop sitting dejectedly in a chair as he hopes for a walk-in customer. The sad scene will soon be a thing of the past. Savvy business owners have realized that they can drum up business on demand with tools like Twitter and Facebook. The barber doesn’t know what he’s missing.