A PROMISING PERK

CONCIERGE SERVICES have moved from hotels to corporate America — as an incentive for employees. PepsiCo headquarters in Purchase, N.Y., for example, has a full-time concierge to help its 800 employees with personal errands such as booking restaurant tables and theater seats, arranging events for children, and household repairs. The Chicago office of Accenture, the consulting company, uses a concierge to arrange for someone to be at an employee's home when the cable guy comes or to send