The Kindle was identified as the only product that met the department’s requirements, according to the Justification and Approval (J&A) for other than full and open competition. Apple’s iPad was rejected because it fell under the tablet or computer category rather than as a single-function e-reader, and had additional features that “are not only unnecessary, but also present unacceptable security and usability risks for the government’s needs in this particular project.”

via U.S. Department of State cancels large Kindle contract | ITworld.