NH HB1589

Requires social media companies to allow New Hampshire users to delete their personal data and obtain a portable copy of their data, including their "social graph" (content, connections, interactions, and metadata)

Mandates social media companies implement interoperability interfaces using open protocols (free from licensing fees and patent restrictions) to enable users to share their social graph data across different platforms

Prohibits social media companies from collecting or sharing user data obtained through interoperability interfaces except with explicit user consent and only for privacy/security purposes or maintaining interoperability

Grants the Attorney General exclusive enforcement authority, with violations treated as unfair or deceptive trade practices; no private right of action is created

Estimated fiscal impact of $100,000 to $500,000 annually starting FY 2027 for the Department of Justice to hire additional staff for oversight and enforcement