In the same way that you're driven in your business to keep innovating - Facebook is a wonderful example of constant innovation - think about doing that in philanthropy.

We have technology, finally, that for the first time in human history allows people to really maintain rich connections with much larger numbers of people.

We ought to be looking at business as a force for good.

We believe that business can be a tool for social good.

In the same way that you're driven in your business to keep innovating - Facebook is a wonderful example of constant innovation - think about doing that in philanthropy.

You have to really believe in what you're doing, be passionate enough about it so that you will put in the hours and hard work that it takes to actually succeed there, and then you'll be successful.

Microloans enable the poor to lift themselves out of poverty through entrepreneurship.