Professor Seth C. Oranburg wraps the series with a bonus on variants: professional forms (LLPs, PLLCs, PCs) for licensed pros balancing malpractice liability; social enterprises (B Corps, L3Cs) for mission-profit hybrids; and emerging DAO LLCs for blockchain governance. He recaps the matrix, reflects on trade-offs/jurisdictional complexity (e.g., Delaware exits), and poses questions on intriguing forms.