Disrupt Yourself

In the United States, the idea of a job for life has long been outdated.  According to the U.S. Bureau of Labor Statistics, the median job tenure for American workers age 25 or older has held steady at about five years since 1983, and for men it has slightly declined. 

Baby Boomers born from 1957 through 1964 held 11 jobs, on average, between ages 18 and 44, says another BLS report.  And studies of long-term employment from 1976 to 2006 show percentages of people who have b.....