Your business model shows thoughtful integration of design thinking's user-centric approach, particularly in how you've structured the freemium model to ensure accessibility. The multi-tiered strategy demonstrates empathy for different user needs and financial capabilities. However, consider elaborating on how user feedback loops will inform your AI development process. While you've addressed AI ethics and privacy, the implementation details could be stronger. Your scalability plan shows good AI leadership awareness, but could benefit from more specific details about responsible AI deployment in different cultural contexts. The referral program reflects design thinking's emphasis on community engagement, but consider how AI could personalize the referral experience.