From Japan to South Korea, from China to Taiwan, family structures are becoming less traditional. More premarital cohabitation, single parenthood and two-income households are influencing demographics—with worrying consequences. And we pay tribute to 50 years of hip-hop. The New York-born genre is taking the world by storm, and picking up new influences along the way (9:22).

Additional music “HIP-HOP” courtesy of RayZa.

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