For consumers, "there's an app for that". For businesses, "there's an API for that".
I'd follow that with: For tech businesses, "there's an API for that". For 90% of the other businesses, "what's an API?" There's a vast amount of value to be captured by adding pleasant and easily used interfaces over otherwise boring APIs.
Innovation drives more innovation, the future is business being built on top of the framework these API's are laying