59. Domain name space may raise the question whether the Net should develop an online equivalent of eminent domain. Newly discovered public needs, such as to use a particular domain or to eliminate it to establish a new system, could interfere with "investment backed expectations." To keep geographically based trademark authorities at bay, Net authorities may need to "grandfather" in strong global trademarks and prevent those who acquired certain domain names on a "first-come, first-served" basis from engaging in holdups--a responsible "foreign policy" to ward off overregulation by local sovereigns. The impact on individuals of these efforts to pursue the greater good may be require mandatory compensation. Who will pay and how remains unclear.