NLS published a strategic business plan for implementing digital systems in December 2003.
In March 2004, NLS published an updated summary.
In September 2006, NLS published an updated strategic business plan for the implementation of digital systems. Below are links to the plan and its appendices.
Current Strategic Business Plan for the Implementation of Digital Systems (2006)
Appendix 2: Digital Talking Book Program, Key Requirements and Assumptions
Appendix 3: Improvements That Are Most Important to Talking Book Subscribers
Appendix 4: Transition from Recorded Cassette Books to Digital Talking Books [PDF/11 kb, 1 p.]
Appendix 5: Market Trends—USB Flash Drives, Worldwide, 2001-2010 [PDF/47 kb, 1 p.]