Ankur Jain, a recent Wharton grad has created a potential juggernaut of students from all over the world -- all looking to "do well by doing good." This is a business model I can get behind.
Any venture, whether commercial or philanthropic, should aim at improving the lives of as many people as possible. Both should use technological tools to overcome infrastructure barriers and build scale. And both must be self-sustaining to be truly successful.
Social entrepreneurship is getting a boost from social media as global consumers voice their concerns about the problems of our world on platforms like Facebook and Twitter.