1. What is the topmost reason why IBM choose to implement Design Thinking across the 400,000 personnel company and why? 2. What Energize steps are taken by DPO during the Startup, Scale Up and Sustain phases of Design Thinking implementation at IBM? 3. What Envision steps are taken by Z System mainframes and IBM Security business units for a revised project vision for their products through Design Thinking implementation? 4. As a DPO project manager, assess project outcome (complete success, partial success, partial failure, or complete failure) of Design Thinking initiative acrossZ Systems Mainframes, IBM Security, and IBM Data and AI business units with justification.