Windfall is a people intelligence and AI company that provides actionable insights to go-to-market teams. By democratizing access to people data, organizations can intelligently prioritize resources to drive greater business outcomes. Powered by machin... Windfall has a dedicated 'Exercise Privacy Rights' form on its privacy choices page covering opt-out of sale, access, correction, and deletion. You must supply your first and last name, current address, and email so they can match you in their name/address-organized database; access requests additionally require a phone number matching their records. Their own 2025 metrics show responses in roughly 1-6 days, and opting out only covers Windfall's databases, not those of its customers, so re-check periodically.