«IBM's Plans to Ship Simon Put On Hold for Time Being». Mobile Phone News. 4 de abril de 1994. ISSN0737-5077. Consultado el 30 de junio de 2012. «Technical issues, resulting from the integration of Simon's cellular faxing capability, were discovered early in the manufacturing and development cycle as IBM's quality assurance testing was being conducted. IBM will hold up shipments of the device until the bugs are worked out.»
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«IBM's Plans to Ship Simon Put On Hold for Time Being». Mobile Phone News. 4 de abril de 1994. ISSN0737-5077. Consultado el 30 de junio de 2012. «Technical issues, resulting from the integration of Simon's cellular faxing capability, were discovered early in the manufacturing and development cycle as IBM's quality assurance testing was being conducted. IBM will hold up shipments of the device until the bugs are worked out.»
Bradner, Erin (21 de julio de 2011). «Are You an Innovation Giant?». Designing the User Experience at Autodesk. Autodesk. Archivado desde el original el 24 de noviembre de 2012. Consultado el 19 de agosto de 2014.
Bradner, Erin (21 de julio de 2011). «Are You an Innovation Giant?». Designing the User Experience at Autodesk. Autodesk. Archivado desde el original el 24 de noviembre de 2012. Consultado el 19 de agosto de 2014.
