What you need to make a payments business succeed is a large number of people who might like to make payments to each other.
Elon Musk is going head to head with his old company PayPal as Twitter gears up to become an online payments business.
The social media company has been applying for payments processing licences across the US as well as hiring people to start building a payments system.
If you’ve got a couple of hundred million customers, why not?