Thanks to increased use of e-mail and other online communication options, 24/7 Wall Street reports that postal service workers will be the occupation category that loses the most jobs in the next 10 years.

Postal workers in Chelsea sorting mail. According to 24/7 Wall St. there will be far fewer jobs in the postal industry over the next ten years.
Many of the professions on the list have been hurt by the increased automation of their jobs, while many textile repair or manufacturing jobs that appear on the list are on the decline due to the outsourcing of labor to the developing world.