 His company was one of the world's largest and had a 62% share of the mainframe computer market that year.While frequently relocated employees and families still joked that IBM stood for "I've Been Moved", and employees of acquisitions feared that hordes of formal IBM employees would invade their more casual offices, IBM no longer required white shirts for male employees, who still wore conservative suits when meeting customers.Former employees such as Gene Amdahl used their training to found and lead many competitors and suppliers.