Paid for by Stronger Muni for All, Mayor Lurie's Ballot Measure Committee. Ad Committee’s Top Funders: 1. Ripple Labs ($500,000); 2. Committee to Expand the Middle Class Candidate Committee Sponsored by Airbnb ($500,000)—contributors include Airbnb ($15,040,000); 3. Visa ($250,000). Financial disclosures are available at sfethics.org.