This has become especially common since the economic downturn took hold in late 2007 and cost the nation something in the neighborhood of nine million jobs. Among those hit hardest by the Great Recession were younger workers just getting out of school, as well as those in the over-50 age category.

Training programs to help mainly older workers retool their skills for say, jobs in technology or computer science, became commonplace. Now, however, with the nation's population aging, a whole new employment source is being tapped for its transferable skills. And these are mainly individuals who don't need to work, but don't necessarily want to stop, either.
Read the full article from The New York Times.