This article describes the present and potential legal constraints of mobile computing especially related to cloud computing. Numerous American national laws such as the Health Insurance Portability and Accountability Act (HIPAA) and the Gramm, Leach, Bliley Act provide industry-related guidelines such as providing employee training on data security. Numerous state laws, as in California, get more specific on mandating web privacy policies, warning employees of Web monitoring, and storing and distributing personal customer information. Implications on corporate privacy policies and future legal trends are included.