Matthias explains what's new about a bank offering an API to third parties. He talks about the idea of "pirates of banking" and how this developer day came to be. This Interview was held on the Fidor Developer Day 2014 in Munich.
See http://developer.fidortecs.com for more information.
You want to know more about Fidor and Disruptive Innovation in Banking? Take a look at https://disruptive-banking.com.