This document discusses NASA JPL's adoption of cloud computing. It provides background on JPL's mission and infrastructure challenges. It then outlines JPL's approach to cloud computing, including developing prototypes to test enabling capabilities, educating stakeholders, and partnering with cloud providers like Google and Microsoft. Several current and potential cloud uses at JPL are presented, such as citizen science projects, image processing, and modeling computations. Benefits observed so far include faster processing times and more time for scientists. The document concludes by advocating keeping cloud initiatives realistic and transitioning cloud from pilots to operations.