Design a product for Facebook to enable charity.

I would design a "Facebook Charity Hub" integrated directly into the Facebook platform. This hub would feature:

1. Verified Charity Profiles: A dedicated space for non-profits to showcase their mission, impact, and needs, with a clear verification badge.
2. Fundraising Tools: Seamless donation processing, recurring giving options, and tools for users to easily create personal fundraising campaigns for their favorite charities.
3. Impact Tracking: Features allowing charities to report on how funds are used and demonstrate their impact, with updates shared directly on Facebook.
4. Volunteer Matching: A section connecting users with local volunteer opportunities posted by verified charities.
5. Educational Content: Resources on effective philanthropy and how to identify reputable organizations.

This would leverage Facebook's existing social graph and user engagement to make giving and volunteering more accessible and transparent.