Entrepreneurship | Business | Startup Culture on Instagram: "Elon Musk often talks about the link between population decline and modern prosperity. He points out that birth rates are higher in countries that are more religious, less educated, and lower income. But in wealthier, more educated places with less religion, populations are shrinking fast. Musk sees this as a serious issue. If trends continue, he warns that declining birth rates could threaten the future of humanity. Follow us (@simply