Joe Green

Causes brings over 140 million people together to form the world's largest giving community. The belief that everyone has something to give is at the core of what we do; people just need a little inspiration, and to know that whoever they are, there is something meaningful they can do.

Grassroots organizing tends to be most available to big campaigns, but it's actually most useful to small ones. You can't win a presidential campaign without going on TV, but you can win a local election simply by organizing your community. NationBuilder levels the playing field.

Every time you log in to Facebook, every time you click on your News Feed, every time you Like a photo, every time you send anything via Messenger, you add another data point to the galaxy they already have regarding you and your behavior.