Keywords: Man uses personal communications device (1).jpg A man in a darkened room operates his personal communications device at his desk Topics/Categories Science and Technology -- Communications Type Color Photo Source National Cancer Institute Bill Branson Photographer 3744 2004-06 Reuse Restrictions None - This image is in the public domain and can be freely reused Please credit the source and/or author listed above Bill Branson Photographer PD-USGov-HHS-NIH Media from National Cancer Institute Visuals Online Images uploaded by Fæ Men |