Final answer:
New technologies during the Gilded Age revolutionized industries, increased productivity, and created job opportunities for ordinary people.
Step-by-step explanation:
New technologies during the Gilded Age led to new job opportunities by revolutionizing various industries and transforming the business landscape of the nineteenth century. Innovations such as the telephone, electricity, steam power, and the assembly line increased productivity, reduced the need for skilled laborers, and created jobs for ordinary people. These technologies allowed for the growth of cities, the rise of factories, and the expansion of industries, providing higher pay and social mobility for workers.