Have you heard about social enterprises? Social enterprises apply business solutions to social problems. They’re incredibly hot right now. So hot, in fact, that I’ve just come back from the Social Capital Markets (SOCAP) conference in San Francisco where there were over 2000 attendees. It’s the largest gathering of impact investors, social entrepreneurs, foundations, corporations, and global non-profits that are looking for environmentally and economically sustainable solutions to the world’s problems. It’s a rapidly emerging…