A number of people in the United States, almost everyone, is using plastic cards to pay for things, but it's extremely difficult to accept these cards. So let's make it's easy and take more and more of the friction out as we can.

People who are using it to sell things on Craigslist to holding garage sales - campaigns - the Obama campaign and the Romney campaign both used Square to raise funds.

Anything you're interested in the world - whether it be Charlie Rose or JetBlue or a public figure or your local coffee shop - they're on Twitter and broadcasting what is interesting to them.

Jack Dorsey Quotes