partnership

A third iteration, in partnership with IMAX, is also in the works.

Even in the 21st century, many young women have been socialized to feel that their social status, economic security and physical safety come from securing a romantic partnership with a man.

"We are taking these difficult but necessary actions as we restructure 23andMe and focus on the long-term success of our core consumer business and research partnerships," Ms Wojcicki said.

The 83-year-old singer reflected on his partnership with Simon, saying in a recent interview that he had shed tears upon reconnecting with Simon over lunch.

While this population continues to grow as attitudes shift, those opting for long-term partnerships without legal marriage can leave themselves vulnerable.