Jonathan Cho*, US National Cancer Institute, Rockville, United States Lakshmi M Grama, US National Cancer Institute, Rockville, United States Nina Goodman, US National Cancer Institute, Rockville, United States Sue Feldman, US National Cancer Institute, Rockville, United States Track: Practice Presentation Topic: Mobile & Tablet Health Applications Presentation Type: Oral presentation Submission Type: Single Presentation Building: Joseph B. Martin Conference Center at Harvard Medical School Room: Auditorium Date: 2012-09-16 11:45 AM – 12:30 PM Last modified: 2012-09-12

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Increasingly, smart phones are becoming the primary communication and information-seeking platform of choice worldwide as users of all ages and ethnicities are accessing the Internet on their mobile devices instead of or in addition to desktop computers. According to a recent Pew report, as of February 2012, nearly half of American adults (46%) own smart phones, as compared to 35% during the previous year. In line with these trends, NCI has seen a substantial increase in the number of users accessing NCI's website from their mobile devices. From May to December 2011, mobile visits to www.cancer.gov nearly doubled while visits to NCI’s Spanish language site nearly tripled. With such a rapid surge in mobile users, NCI launched its mobile effort to enable mobile users to access its English and Spanish websites wherever and whenever they need it. User research and Web analytics have always been the foundation on which the National Cancer Institute’s websites, www.cancer.gov and www.cancer.gov/espanol have been developed and when it came time to develop NCI's mobile strategy, we used a similar approach. Our presentation will highlight how NCI developed its mobile strategy – from the initial focus groups and user research into mobile contexts of use for cancer information, the testing of concepts and prototypes of mobile applications and mobile websites, analytics that helped identify content that would be most useful in the mobile context, as well as modifications to standard usability testing practices to accommodate the mobile context. We will also identify some content and user interface challenges that we encountered in developing the site. The mobile website was launched in February 2012 and we will also present data about use of the site since the launch.