15 jobs that are quickly disappearing

Thanks in part to advances like email, Facebook, and Twitter, mail carriers will be all but obsolete in the not-so-distant future.

By 2022, the US Bureau of Labor Statistics projects a 28% decline in postal service jobs, totaling around 139,100 fewer positions.

Mail carriers aren't the only ones whose jobs are disappearing. Technology and market shifts have affected a wide range of fields.

Based on the BLS's occupational outlook data, here are 15 American jobs that are on their way out.