This interview by Paypal founder tells how he changed his business model in order to survive. Initially Paypal refused to accept the reality of transacting over the web. Paypal was originally a mobile-to-mobile payment system. They changed their business model and survived.
Apple refused to allow 3rd party apps in 2007 when the iPhone was launched. Now without 3rd party apps there would be no iPhone.
Kodak is no longer selling much film. They changed their business model in order to live in a digital age.
McDonalds changed its menu.
Now, it’s your turn.