Use Case for solution design and design thinking to develop innovative mobile first solution. Method emphasizes customer involvement early and often and extensive use of prototypes to gain customer buy-in and create massive disruption. Many thanks to my teams that delivered product in 200 business days that changed industry and turned laggard into leader. Unprecedented enjoyability scores and adoption. Laggard to leader model now proven innovation standard. Faster, cheaper, cooler design invigorates culture across ecosystem.