With a heavy regulatory burden, payroll taxes and health-care costs, employing people is very expensive. In January, the Golden Gate Bridge announced that it will have zero toll takers next year: They’ve been replaced by wireless FastTrak payments and license-plate snapshots. Technology is eating jobs—and not just toll takers. Tellers, phone operators, stock brokers, stock traders: These jobs are nearly extinct. Since 2007, the New York Stock Exchange has eliminated 1,000 jobs. And when was the last time you spoke to a travel agent?