With the explosion of aging baby boomers, millions are now contemplating their retirement. But for a sizable number, that could mean living decades beyond their last day of work. Given this stark demographic, is the concept of retirement a flawed idea? According to a new piece in the Harvard Business Review, it’s time to look to Okinawa as a source of inspiration for how to live beyond the typical American work life. Residents of this Japanese island are among the longest living, disability free people in the world, and the concept of retirement doesn’t even exist in their language. To understand what lies behind their long and healthy lives, Read This.